at a time

at a time的音标是[əˈæt əˈtaɪn]，基本翻译是“每次；一块儿”，速记技巧是“at”意为“在……时候，“a time”意为“一次”，合起来意为“每次”。

at a time的英文词源是拉丁语“ad unum”，意为“一个一个地”。这个词在英语中用来表示“每次只做一件事”或“一次只做一项任务”。

变化形式：通常使用复数形式“at a times”，也可以使用过去式“at a time”，过去分词“at a time”等形式。

相关单词：

1. interval：间隔，间隙 - 词源同time，表示时间的间隔。

2. session：会议，一节 - 词源同time，表示一段时间的聚集。

3. moment：时刻，瞬间 - 词源同time，表示时间上的一个点。

4. pace：步伐，节奏 - 词源同time，表示时间上的步调。

5. rate：速率，速度 - 词源同time，表示时间上的快慢程度。

6. duration：持续时间 - 词源同time，表示一段时间的长度。

7. schedule：时间表，计划 - 词源同time，表示时间上的安排。

8. time-out：暂停，休息 - 词源同time，表示时间上的暂停。

9. intervally：间隔地，不时地 - 词源同at a time，表示有间隔地发生。

10. periodically：定期地，周期性地 - 词源同time，表示按照时间规律地发生。

常用短语：

1. at a time 一次，每次

例句：Can you do this task for me at a time?

2. in a time 在一段时间内

例句：The exam will be held in a few days.

3. at the same time 同时

例句：I am studying for the exam and cooking dinner at the same time.

4. one after another 一个接一个地

例句：One by one, they all came to the party.

5. at will 随意地

例句：He can do whatever he wants at will.

6. in time 及时

例句：I am glad to hear that you will be able to arrive in time for the party.

7. time and again 反复多次

例句：I have tried to quit smoking time and again, but I always fail.

英文小作文：

The Importance of Time Management

Time is a precious resource that we all have to manage effectively to achieve our goals and dreams. It is essential to plan our time carefully and prioritize our tasks to avoid wasting it on things that are not important. By doing so, we can avoid procrastination and make the most of our time.

At the same time, we should not neglect the importance of relaxation and leisure time. It is important to take breaks and unwind from time to time to avoid stress and burnout. By managing our time effectively, we can achieve balance in our lives and live a fulfilling and happy existence.