at one time
US /æt wʌn taɪm/
UK /æt wʌn taɪm/
短语
1.
曾经, 一度
in the past; formerly
示例:
•
At one time, this area was covered by a vast forest.
曾经，这片区域被一片广阔的森林覆盖。
•
She was a famous actress at one time.
她曾经是一位著名的女演员。
2.
同时, 一次性
simultaneously; all at once
示例:
•
You can't do everything at one time.
你不能一次性做所有事情。
•
The children all started talking at one time.
孩子们都同时开始说话。