timer

'taimә

Collins 1

n. a timepiece that measures a time interval and signals its end
n. a regulator that activates or deactivates a mechanism at set times

n. 计时员, 计时器
[计] 计时器

Collins 星级

12,427

BNC 频率

11,074

使用频率

timer 由词根 time（时间）加上后缀 -er（表示执行者或工具）构成，意思是“计时器”或“定时器”。

例句

1. I set a timer for 10 minutes to bake the cake.

我设定了一个10分钟的计时器来烤蛋糕。

2. Please use a timer to remind us when it's time to take a break.

请使用计时器提醒我们何时休息。

3. The timer went off, and it was time to start the exam.

计时器响了，考试时间到了。