n.下水道；阴沟
n.缝纫者
n.管家
The sewer is choked up with rubbish. 下水道被垃圾堵住了。
The boy kicked a stone into the sewer . 那个男孩把一石子踢进下水道。
They are tearing up the street to repair a sewer. 他们正挖开马路修下水道。
The sewer in the kitchen clogs easily. 厨房的下水道很容易堵塞。
She became the best sewer in the factory. 她成了该厂最好的缝纫工。
污水管道
n.排水设备；污水
