Question

at a time 是什么意思？一起？or 一个时间？马上？有时？

Answer 1

at a time:

每次,一次

例句与用法:
1. Female sheep produce one or two lambs at a time.
母羊一次生一到两只羊羔。

2. He tossed the peanuts into his mouth one at a time.
他每次将一粒花生扔进嘴里。

3. If only problems would come one at a time!
要是问题一次只发生一个该多好！

4. He used to abandon his work for months at a time.
他过去每次放下工作就是几个月。

5. Such waste of money should be deprecated at a time like this.
在这种时候应大力反对如此浪费金钱。

6. Personal enmities must be forgotten at a time of national crisis.
民族危机当头, 必须捐弃个人恩怨.

Answer 2

每次，逐次，依次。例:She ran up the stairs two at a time.她一步两阶地跑上楼。

Answer 3

at a time
一次; 同时; 一下子; 每次

Answer 4

每次;一次
eg:Take three pills at a time.
每次服三粒。

Answer 5

每次，在某时