名词
中文翻译：门挡
同义词：
['door stop', 'door latch']
例句：
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1.The door bar was broken, so we couldn't open the door.
门挡断了，所以我们打不开门。
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2. The door bar is a crucial component of the locking mechanism.
门挡是锁机制的关键组成部分。
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3. The door bar has been replaced to make it easier to open the door.
为了更容易打开门，已经更换了门挡。