名词
中文翻译：弓形梁
同义词：
['bow string', 'bow brace例句：1. The archer aimed carefully at the target and let off a bow beam to hit it.（弓箭手小心翼翼地瞄准目标，然后拉弓射出一根箭。）']
例句：
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1. The archer aimed carefully at the target and let off a bow beam to hit it.
弓箭手小心翼翼地瞄准目标，然后拉弓射出一根箭。
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2.The engineer used a bow beam to reinforce the bridge's support.
工程师用弓形横梁加固了桥梁的支撑。
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3.The carpenter made a bow beam for the door to make it stronger.
木匠制作了一个弓形横梁来加强门的结构。