名词
中文翻译：锁住的凹槽
同义词：
['locked recess', 'locked notch', "locked channel例句：1. The car's engine has a locked groove for the key.（这辆车的引擎有一个为钥匙设计的锁槽。）"]
例句：
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1. The car's engine has a locked groove for the key.
这辆车的引擎有一个为钥匙设计的锁槽。
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2.The lock was designed to prevent unauthorized access to the safe.
这个锁的设计是为了阻止未经授权进入保险箱。
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3.The groove in the wall is too narrow for a ladder to fit through.
墙里的凹槽太窄，连梯子都插不进去。