Look or listen for the signal announcing your car's arrival.

注意电梯到达时的视听信号。

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Announcing bath time will eventually become a signal to your children that it is time to get ready for bed. Once again, it is important to keep this at the same time every night.

洗澡时间是妈妈向孩子传递的最后的睡觉时间，每天晚上固定这个时间不变，也很重要。

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Announcing bath time will eventually become a signal to your children that it is time to get ready for bed. Once again, it is important to keep this at the same time every night.

洗澡时间是妈妈向孩子传递的最后的睡觉时间，每天晚上固定这个时间不变，也很重要。

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