名词中文翻译
中文翻译：上锁
同义词：
['upper locking mechanism', 'upper locking device']
例句：
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1. The upper lock on the door prevents people from entering without a key.
门上的上锁装置阻止人们不使用钥匙就进入。
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2. The upper lock is designed to secure the luggage compartment.
上部锁设计用来固定行李舱。
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3. The car has an upper lock that can be opened with a key.
这辆车有一个可以由钥匙打开的上部锁。