名词
中文翻译：过梁
同义词：
['beam', 'girder例句：1. The engineer had to cross the crossing beam to get to the other side of the bridge.（工程师不得不穿过过梁，才能到达桥的另一边。）']
例句：
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1. The engineer had to cross the crossing beam to get to the other side of the bridge.
工程师不得不穿过过梁，才能到达桥的另一边。
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2.The construction crew was busy installing the new girders across the bridge.
施工队正在忙着在桥上安装新的横梁。
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3.The weight of the beam was causing the structure to sag under its own weight.
横梁的重量导致结构在自身重量下开始下沉。