名词
中文翻译：计时器启动装置
同义词：
['timer', 'timing device']
例句：
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1. The timer was set for30 minutes.
定时器设置为30分钟。
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2. The timing device is used to measurethe time taken to complete a task.
计时装置用于测量完成一项任务所需的时间。
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3.The clock's timer was broken, so we had to reset it manually.
钟表的定时器坏了，所以我们不得不手动重置它。