名词
中文翻译：计时器模式
同义词：
['timer', 'timing mode']
例句：
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1.The timer on the oven starts counting down when the food is done.
烤箱上的定时器开始倒数，当食物煮熟时。
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2.We need to set a timer for the presentation to ensure we don't miss any important points.
我们需要为演讲设置一个计时器，以确保我们不会错过任何重要点。
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3. The timer went off before the movie started, so we had to leave early.
电影开始前计时器就响了，所以我们不得不提前离开。