at a time和at one time的区别 英语词汇的区别

at a time和at one time的区别：at a time 与 at one time 表示“一次;同时”的意思时,可以互换使用,没有区别。at a time :一次；每次；在某时。at one time :曾经，一度；同时(大多时候可以同at a time 替换）。

at a time和at one time的区别

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。

at a time造句

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。