名词
中文翻译：闩
同义词：
['locking nut', 'latch bolt', 'locking pin', 'latch key']
例句：
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1. The car's door was jammed with the blocklatch in place.
车门被锁上了，闩锁固定住了。
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2.The old house had a wooden blocklatch on the front door.
这所老房子的前门有一个木制的闩锁。
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3. He used a screwdriver to remove the blocklatch and open the door.
他用螺丝刀把闩锁拧下来，打开了门。