a watch中文什么意思

具体事物

一个手表

• watch:    n. 1.表；船钟。 2.值夜，值班 ...
• be on the watch:    留神着, 戒备着
• be on watch:    在值班

例句与用法

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1. The police put a watch on the suspect 's house .
   警方派人监视那个可疑人的住宅。
2. It does n't pay to buy such a watch .
   买这种表不合算。
3. A run-down watch is still a watch and can be rewound .
   手表停了还是手表，还能重新上紧发条。
4. The balance wheel of a watch is a familiar example of angular harmonic motion .
   钟表的摆轮是角谐运动的常例。
5. The woman was holding her wrist and timing the pains with a watch .
   那女人抓着她的手腕，看着表计算痛的时间。