名词
中文翻译：锁匠
同义词：
['safety-lamp keeper', 'locksmith', 'key holder']
例句：
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1. The lockkeeper was called to inspect the new security system.
锁匠被叫来检查新的安全系统。
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2. The lockkeeper had to replace the old key with a new one.
锁匠不得不用一把新钥匙替换旧的。
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3. The lockkeeper was responsible for maintaining the security of the building's doors and windows.
锁匠负责维护建筑物门和窗户的安全。