名词
中文翻译：梁
同义词：
['slab', 'slabboard', 'beam', 'timber']
例句：
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1. The ship's planks were rotting away under the water.
船的木板在水下腐烂了。
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2. He used a plank to build his boat.
他用一块木板建造了他的船。
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3. The builders had to reinforce the weak planks with steel.
建筑工人不得不用钢加固那些薄弱的木板。