N-PLURAL
七十几(指 70 至 79 之间的数字)
When you talk about the seventies, you are referring to numbers between 70 and 79. For example, if you are in your seventies, you are aged between 70 and 79. If the temperature is in the seventies, it is between 70 and 79.
例句
It's a long way to go for two people in their seventies.
对于两个七十几岁的人来说,这段路太远了。