natural是什么意思？

Their daily routine followed the rhythm of the natural cycle.

"right now, people think of aging as natural and something you can't control,'' he said.

Aging happens to all of us, and is generally thought of as a natural part of life.

But maybe what's inside is not so natural.

Commenting on the find, snake expert Robert Henderson, from the milwaukee Museum of Natural history, said: "Worldwide new species of frogs are being discovered and described quite regularly."

Earlier this year, Italy signed an accord with UNESCO to establish a task force of police art detectives and archaeologists (考古学家) to protect cultural heritage from natural disasters and terror groups, such as IsiS.

In 2018 alone, wildfires, volcanic eruptions, hurricanes, mudslides, and other natural disasters cost at least $49 billion in the United States.

In other words, it refers to anything that is acquired or learnt, rather than instinctive or natural.

Natural disasters can have a long-lasting impact on community life.

Natural disasters can wreck a community 5s infrastructure, disrupting systems for months or years.

Starting April 28 of this year, the National Museum of Natural history will begin renovating its fossil hall.

The bear would do better in its natural habitat and the agency would step in if its condition deteriorated, they said.

There are still some public lands that contain oil, coal and other natural resources.

They are too often built around consuming natural resources.

USPS has sophisticated emergency plans for natural disasters.

Renewables account for only a small share of global primary energy consumption, which is still dominated by fossil fuels—30% each for coal and oil, 25% for natural gas.

Natural gas and coal—also fossil fuels—have similarly seen price declines that look to be long-lived.

Coal and natural gas are mainly used for electricity generation, whereas oil is used mostly to power transportation, yet the prices of all these energy sources are linked.

They also, however, use far more natural resources—fuel, water ( ' , all those baths and golf courses) and building materials.

One recent study warns us of the danger of the exhaustion of natural resources on Earth.

It is difficult to find solid evidence to prove environmental friendliness generates more profits than exploiting the natural environment.

In other words, poor and rich both over-exploit the natural world, but for different reasons.

If our economies are to flourish, if global poverty is to be eliminated and if the well-being of the world's people enhanced—not just in this generation but in succeeding generations—we must make sure we take care of the natural environment and resources on which our economic activity depends.

And the World Resources Institute ( ' , WRI) in its World Resources 2005 report, issued at the end of August, produced several such examples from Africa and Asia; it also demonstrated that environmental degradation affects the poor more than the rich, as poorer people derive a much higher proportion of their income directly from the natural resources around them.

A politician noted for being cautious asserts that sustainable human development depends on the natural environment.

The negative impacts of natural disasters can be seen everywhere.

A study by the Centre for Research on the Epidemiology of Disasters finds that, between 1980 and 2007, nearly 8,400 natural disasters killed more than twomillion people.

It is natural for students to make complaints about university education.

Antarctica's harsh natural conditions constitute huge obstacles to the exploitation of its resources.

And while assessments vary widely, geologists estimate that Antarctica holds at least 36 billion barrels of oil and natural gas.

According to geologists' estimates, Antarctica has enormous reserves of oil and natural gas.

Whether it is a transition from imported to domestic oil or from coal-powered electricity production to natural-gas power plants, politicians love to talk big.

But it is natural to desire to do so for special occasions.

However, a further increase in farming area without impacting unfavourably on what remains of the world's natural ecosystems appears unlikely.

Indeed, on a global scale, fertiliser manufacturing consumes about 3-5% of the world's annual natural gas supply

A further expansion of farming area will adversely impact on the world's natural ecosystems.

Dakota Gasification of North Dakota captures CO2 at a plant that converts coal into synthetic natural gas.

To increase the volume and the speed with which we move natural resources through the consumer economy to the junk pile or the waste heap.

Muir's learning in observation throughout his life led him to devote his last years to preserving the natural environment.

Explain certain natural phenomena

But there are a lot of products that we eat today that are considered natural that are produced in a similar manner," Genovese said.

They are not as natural as we believed

"It's nothing new, it's nothing too complicated and it's natural because lots of people have TV remotes," says Rodriguez.

Although the planned operation will be located more than miles away, drawing the soda ash in through pipelines, conservationists worry it could still upset the natural water cycle and breeding grounds.

And the World Resources Institute WR in its World Resources 2005 report, issued at the end of August, produced several such examples from Africa and Asia; It also demonstrated that environmental degradation affects the poor more than the rich, as poorer p

At a time when natural history was a valuable tool for discovery, Merian discovered facts about plants and Insects that were not previously known.

Basically we turned our skin darker to serve as a natural sun protector in the place of the hair we lost.

Feeling both positive and negative emotions is a natural part of being human.

It's in these populations that we begin to see real changes in the genetic makeup of natural coloring.

Maria Droujkova is a founder of Natural Math, and has taught basic calculus concepts to 5-year-olds.

Natural talent helps in some way, but at the end of the day you really do need to work hard and get really, really good at what you do.

Perhaps with the tools of this new technological revolution, we will be able to undo some of the damage done to the natural world by the last one—industrialization.

Psychologists call them "masters of deception", those rare individuals with a natural ability to tell, with complete confidence, when someone is telling a lie.

The World Meteorological Organization points to Cuba and Bangladesh as examples of countries that have successfully reduced the loss of life caused by natural disasters by taking preventive action.

These practices include grazing animals on grasses grown from the pastureland's natural seed bunk, and fertilized by the cows' own fertilizer.

They also, however, use far more natural resources—fuel, water all those baths and golf courses and building materials.

This is in comparison with a drop of just under 1% in the total yogurt and kefir market according to natural and organic market research company SpiNS.

What we did in our ancestry was to produce more permanent natural coloring in our skin cells.