名词
中文翻译：死门
同义词：
['deadlock', 'deadbolt']
例句：
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1.The door had a dead bolt on it.
这扇门上有一把死锁。
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2.He tried to open the lock with his key but it was a deadbolt.
他用钥匙试图打开锁，但它是一把死锁。
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3. The security system has a deadbolt that requires a code to open.
这个安全系统有一个需要密码才能打开的死锁。