名词
中文翻译：横木
同义词：
['horse-shoe', 'crossbar', 'beam', 'girder']
例句：
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1. The carpenter used a wooden beam to support the roof.
木匠用一根木梁支撑屋顶。
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2. The bridge is supported by several steel girders.
这座桥由几根钢桁架支撑。
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3.The old building needed reinforcement with wooden beams.
这座老建筑需要用木梁加固。