名词
中文翻译：门把手
同义词：
['knob', 'handle', 'latch']
例句：
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1.The old house had a rusty doorknob that needed replacing.
这所旧房子的门把手生锈了，需要更换。
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2. She tried to open the door with her key but it wouldn't turn.
她用钥匙试图打开门，但门纹丝不动。
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3.The new lock has a different knob design than the old one.
新锁的旋钮设计与旧锁不同。