[ 复数 ducts 第三人称单数 ducts 现在分词 ducting 过去式 ducted 过去分词 ducted ]
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"the tear duct was obstructed"
同义词: epithelial duct canal channel
以上来源于: WordNet
N-COUNT A duct is a pipe, tube, or channel which carries a liquid or gas. 输送管道
...a big air duct in the ceiling.
…天花板上一根粗大的导风管。
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