名词
中文翻译：梁
同义词：
['pillar', 'brace', 'girder']
例句：
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1. The beam of the roof is supported by these pillars.
屋顶的横梁由这些柱子支撑。
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2. The beam was so strong that it could support the weight of the house.
这根梁非常坚固，足以支撑房屋的重量。
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3. The beam was too weak to hold up the roof.
这根梁太弱了，无法支撑屋顶。