相关单词同义词watershoot, cesspipe, 近义词 waste pipe 废水管, drain 排出临近词drain, drain elbow, drain screw, drain cover, drain spade, drain stone, drain basin, drain output, Drain Causes, drains valve, drain vessel相似词drainboard, drained, drainer, draining board, drake, dram, drama, drama documentary, 返回 drainpipe