名词
中文翻译：Unknown
同义词：
['beam', 'beam member', 'beam girder', 'beam trestle', 'beam axle']
例句：
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1. The beam of the roof is too short to support the weight of the roof tiles.
屋顶的横梁太短，无法支撑屋顶瓦片的重量。
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2. The beam was so strong that it could hold up the entire building.
这个横梁非常坚固，足以支撑整个建筑。
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3. The beam trestle was used to transport goods across the river.
横梁式吊车被用来在河流上运输货物。