until是什么意思？

Up until that point, Leah had followed traditional measures of success.

She is never sure what the final design will look like until the end.

Most roads, bridges, transit, water systems, the electric grid, and communications networks were installed 50 to 100 years ago, and they are largely taken for granted until they fail.

It keeps our most precious memories until life's end.

They don't fall asleep until very late.

Although frozen dinners were invented in the '40s, their popularity didn't boom until televisions became popular a decade or so later.

He could not watch television except for two programs aweek, could not play with his friends after school until he finished his homework, and had to read two books a week and write book reports about them.

Dr.Carson was headed down a path of self-destruction until a critical moment in his youth.

But chariots maintained their place in parades and triumphs right up until the end of the Roman Empire 1,500 years later.

But steamships didn't lose their sails until the 1880s, because early marine engines had a nasty habit of breaking down

Until ships became large enough (and engines small enough) to mount two engines side by side, they needed to keep sails.

The high cost of steam and the lesser need for speed kept the majority of the world's ocean freight moving by sail until the early years of the 20th century

Pam said we won't have the psychology test until the end of next week.

She is not available until the end of next week

well, I contacted his office half an hour ago, and his secretary said he was out for lunch until 2:

So we start at 6: 30 and then it goes on until the 9 o'clock

The building won't open until next week.

An X-rays technician is refusing to do her job until the firm agrees to replace its out-dated equipment.

Well, I'm afraid we must wait until all the applications are in, in writing, and we'll then decide on the short list.

Postponing doing what you love and being with people you love until retirement can be a mistake

It is cheaper than calling long distance, and a lot more convenient than waiting until Sunday for the telephone rates to drop.

I work 9 to 3, then I start again at 5:30 and work until 11, six days a week.

Things were going so well until the end", Alex said disappointedly

He has done it by exploring, by experimenting, by developing his own model of the grammar of language, by trying it out and seeing whether it works, by gradually changing it and refining it until it does work.

"It's been postponed until 2017," says Anna Somers, the founder and CEO of The Art Newspaper and the former head of Venice in Peril, a group devoted to restoring Venetian art.

"It's been postponed until 2018," says Anna Somers, the founder and CEO of The Art Newspaper and the former head of Venice in Peril, a group devoted to restoring Venetian art.

Although frozen dinners were invented in the 40s, their popularity didn't boom until televisions became popular a decade or so later.

At McDonald's, customers will spend on average 3 minutes and 9 seconds from the time they place their orders until they receive their food.

Barley was an unexpected find: the crop was domesticated in Western Eurasia and didn't become a staple food in central China until about 2,000 years ago, according to the researchers.Based on that timing, they indicate barley may have 34 arrived in the re

Barley was an unexpected find: the crop was domesticated in Western Eurasia and didn't become a staple food in central China until about 2,000 years ago, according to the researchers.

firefighters will remain on the scene until later this morning to ensure that the fire doesn't start up again.

Goel didn't inform them about jill's true identity until April 26.

He could not watch television except for two programs a week, could not play with his friends after school until he finished his homework, and had to read two books a week and write book reports about them.

I do want to get married, but she thinks we need to wait until we've launched our careers.

It takes about a day until these cells make it to your aching muscles.

It wasn't until I rediscovered salsa in a lovely studio while working in Asia that I renewed my passion for dancing.

On the first of January, new regulations will come into effect which eliminate an annual leave bonus for people who put off marrying until the age of 23 for women and 25 for men, the South China Morning Post reports.

So if something happens to their food source, they have a way of not starving to death until they find more algae to eat.

The actor professionally to ensure the man was comfortable until an ambulance arrived.

The company's self-driving cars have done well over a million miles across various states in the U.S., and until now have only reported minor accidents.

Their babies retain the ability to produce their own chlorophyll, though they can't generate energy from sunlight until they've eaten enough algae to steal the necessary genes, which they can't yet produce on their own.

There are no special people, just people who put in enough hard work until something special happens.

There are people who always wait until the last minute, and make it much harder than it needs to be.

They celebrate the cultural heritage of the country and will be available to view until Sunday.

Until now, the only city to successfully pass and implement a soda tax was Berkeley, California, in 2014.

Until then, no one really understood what a motorway was, not even the labourers who were building it.

You are not allowed to drive a car unsupervised until you have passed a driving test.

Historically, scientists have objected to sharing for many reasons: it is a lot of work; until recently, good databases did not exist; grant funders were not pushing for sharing; it has been difficult to agree on standards for formatting data; and there is no agreed way to assign credit for data.

Some Chicago teachers seem to think that they shouldn't be held accountable until poverty is solved.

A full 18 percent have even returned devices until they feel they can get safer guarantees against having their sensitive information hacked.

The outer layers of the volcano were worn away until the hard core stood completely exposed.

Its sheer rock sides sweep up from a broad base until they cut off abruptly at the flat summit.

While that may make suborbital travel safer, it would add significant cost and complexity to an emerging industry that has until now operated largely as the playground of billionaires and dreamy engineers.

But if it was known that Black people were viewed differently from African Americans, researchers, until now, hadn't identified what that gap in perception was derived from.

The first is"If I purchase a corporate bond,do I have to hold it until the maturity date?

Kapur points out that while the model adopted by many teachers when introducing students to new knowledge―providing lots of structure and guidance early on, until the students show that they can do it on their own―makes intuitive sense, it may not be the best way to promote learning.

Despite bottoming out in 1933, the Depression didn't end until World War II.

Yet until recently the worst forecasts were almost exclusively linked to direct human activity, such as clear-cutting and burning for pastures or farms

Until the early 1990s nobody much thought about whole populations getting older.

Look for New York in the left-hand column and follow it across until you find the hour listed in the Boston column.

Three, just until the weekend

Unfortunately, most of the early popular African-American writers have been all but forgotten in modern times until now.

We can tear apart the great grass cover of the western plains and pour toxic chemicals into the soil until the soil is dead and blows away in the wind

With no known vaccination or cure available, it seems only a matter of time until another epidemic erupts.

M : sorry to have kept you waiting ,Madam , I've located your luggage, it was left behind in Paris and won't arrive until later this evening W : oh ,I can't believe this ,have it been to delivered to my hotel then ,I guess Q :what happened to the woman's luggage

Based on answers to questions regarding their job hunting strategies and career decisions, he divided the students into two groups: maximizers, who consider every possible option, and satisficers, who look until they find an option that is good enough

In the case of Facebook, the company says data may hang around until the URL in question is reused, which is usually "after a short period of time", though obviously that time can vary considerably.

Anyway, I won't need it until Friday night.

As stories go through the chains of people, they are refined, corrected and sorted out until they come finally to me and I have a chance to read through most stories before I go on the air.

At least the slides were good, that is, until the bulb in the projector blew, and she had to finish the talk with no illustrations.

But she says nations will not make progress fighting hunger and poverty until they begin to focus on those critical first thousand days.

During months without water under a harsh sun, they wither, shrink and contract until they look like a pile of dead gray leaves.

Europeans did not know of them until the 1500s, when Portuguese ships arrived on the coast of what is now sierra Leone.

historically, scientists have objected to sharing for many reasons: It is a lot of work; until recently, good databases did not exist; grant funders were not pushing for sharing; It has been difficult to agree on standards for formatting data; and there i

I feel like I could stay by myself until I'm 100.

It becomes a breakdown process where everything ends up accelerating until it's all gone.

It wasn't until I entered the corporate world that I realized, for me at least, being friends with colleagues didn't emerge as a priority at all.

It will decide on the Weddell Sea sanctuary proposal at a conference in Australia in October, although a decision on the peninsula sanctuary is not expected until later.

Most seeds can wait out the dry, unwelcoming seasons until conditions are right and they sprout.

Ogbeh says experts are investigating how to control the pests damage and prevent its spread, which has gone largely unchecked until now.

Problems surround the use of machines to spot deception, at least until it has been rigorously tested.

She says she is aware that plenty of people do not want to eat genetically modified crops, but she is pushing ahead with every available tool until one works.

The liquid is maintained above its melting point until steam is required, at which point the liquid is allowed to turn back into a solid, releasing its stored energy.

The misconception of resilience is often bred from an early age, parents trying to teach their children resilience might celebrate a high school student staying up until 3am to finish a science fair project.

The more people are on their phones, the fewer people are talking until finally you're the only one left not reading email or checking Twitter.

The Wallaces didn't accept advertising in the US edition until 1955 and even then they didn't allow any ads for cigarettes, liquor or drugs.

They waited until the babies got bored and inverted their gaze from the face.

Until then they've been giving everything they have and at that moment they know it's over.

Up until then, I hadn't truly realized just how expensive an education can be.

When considering the amount of insurance for the mother with dependent children, substitute child care is a need that should be planned for until the children can care for themselves.