名词
中文翻译：横木
同义词：
['crossbeam', 'crossbar', 'beam']
例句：
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1. The car was parked on awooden crossbeam.
汽车停在一根木头横杠上。
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2. The bridge is supported byseveral wooden crossbeams.
这座桥由几根木头横杠支撑着。
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3.The old house had a wooden crossbeam in the middle of the floor.
这所老房子的地板上有一根木头横杠。