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Duct
01
管道, 导管
a tubular passage in the body through which liquid, such as tears or bile, can pass
02
管道, 通道
a hollow conduit or passage that is used for the distribution, circulation, or ventilation of air, gases, or other substances within a building or system
03
导管, 管道
a continuous tube formed by a row of elongated cells lacking intervening end walls
