at a time片语

片语

1. 1

   每次、一次

   Please take only one cookie at a time.

   每次请只拿一块饼干。

2. 2

   一连、连续

   He sometimes sleeps for twelve hours at a time.

   他有时一连睡十二个小时。

3. 3

   在……的时候后接 when 从句

   The factory closed at a time when jobs were scarce.

   那家工厂在工作机会稀少的时候关门了。