相关单词近义词 canal 运河, channel 频道, pipe 管子, tube 管子, vessel 容器, conduit 导管, vent 排气口, outlet 出路临近词ductile, duckling, ductus, ducted, ducter, ductin, ductor, Ducteil, ducting, ductoma, duction, ductube相似词duckweed, ducky, duct, duct tape, ductile, ductless gland, ductus, dud, 返回 ductal