名词
中文翻译：沟床
同义词：
['groove', 'trench', 'drain', 'ditch']
例句：
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1.The farmer carefully dug a gutter bed to help with the drainage of rainwater.
这位农民小心地挖了一个沟床，以帮助排水。
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2. The construction crew had to dig a gutter bed to install the new drainage system.
施工队不得不挖一个沟床来安装新的排水系统。
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3.The old house needed a gutter bed to prevent water from seeping into the basement.
这所旧房子需要挖一个沟床以防止水渗入地下室。