timer

US /ˈtaɪ.mɚ/
UK /ˈtaɪ.mɚ/
"timer" picture
1.

计时器, 定时器

a device that measures and records the time taken by an event or process

:
She set the timer for 10 minutes to boil the eggs.
她把计时器设为10分钟来煮鸡蛋。
The oven has a built-in timer.
烤箱有一个内置计时器
2.

计时员, 时间记录员

a person who measures or records time, especially in sports

:
The official timer recorded the athlete's sprint time.
官方计时员记录了运动员的短跑时间。
The race director also acts as the chief timer.
赛事总监也兼任首席计时员