名词
中文翻译：挂钩
同义词：
['hook', 'latch', 'pivot', 'pin', 'staple']
例句：
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1.The car's door has a lug bar on the inside for easy opening.
这辆车的门内侧有一个挂钩，便于打开。
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2.The old house had a wooden lug bar that held up the roof.
那所旧房子有一个木制的吊环，支撑着屋顶。
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3. The weight of the box was too much for the lug bar to hold.
箱子的重量太重了，吊环承受不住。