A third cue your body USES to set its internal clock is temperature.

你的身体发送给生物钟的第三个信号是温度。

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A fourth cue your body USES to set its internal clock is food.

身体调节生物钟的第四个信号是食物。

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Circadian rhythms can be affected to some degree by almost any kind of external time cue, such as the beeping of your alarm clock, the clatter of a garbage truck, or the timing of your meals.

生物钟节律在一定程度上可以受任何外界时间线索影响，如闹钟的声音清洁车的声音及进餐的定时等。

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As the clock hits noon, some of the girls relax their rigid poses and wait for the cue to leave.

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