Sewer
01
下水道
a system of underground pipes and tunnels used to carry away used water and waste matter from houses, factories, etc.
例子
The maintenance crew cleared a blockage in the sewer line to restore proper flow.
维修人员清除了下水道中的堵塞物以恢复正常的流动。
02
a person who sews clothing or other items
03
a misfortune or loss, especially involving wasted effort or money
