1.at one time:这个词组的意思是“曾经;一度;有一段时时”。
例句1:At one time, walking across the room took all her strength.
曾经有段时间,穿过这个房间得用尽她全部的力气。
例句2:At one time, he had to walk to school everyday.
有一段时间他不得不步行去学校。
例句3:At one time most women made their own clothes, buying the cloth in small stores.
曾经有段时间,大部分女人都在小店里买布料自己做衣服。
2.at a time:这个词组的意思是“一次;每次”。
例句1:I can only carry two at a time.
我一次只能带两个。
例句2:Tom was unable to keep focused for more than an hour at a time.
汤姆无法一次集中注意力超过一个小时。
例句3:Wealth starts with a goal saving a dollar at a time.
财富始于一次存一美元的目标。
1、And at a time of economic hardship, it means forgoing jobs that we desperately need.
在经济困难时期,这意味着放弃我们极其需要的就业机会。
2、Pluck one at a time from the underneath of the eyebrow only.
采摘一步一个脚印,从底下的眉毛。
3、He checked them off one at a time as they came in.
当他们进来时,他一个一个检查。
4、This is happening at a time when budget cuts are being considered in the United States.
与此同时,美国也正考虑削减预算。
5、You come into medicine and science at a time of radical transition.
这是一个医学和科学发生彻底转变的时代,你们赶上了。