sewer-sewerage-stench -sew-gutter

sewer [ˈsuːər]
The stench from the sewer is indescribable.
下水道发出一股说不出的恶臭。

The stench of burning rubber was overpowering.
烧焦的橡胶臭气熏天。

sew
Surgeons were able to sew the finger back on.
外科医生把断指接上了。

sewerage [ˈsuːərɪdʒ]

The town has already put in a proper sewerage system.
小镇已经安装了合理的污水处理系统。

gutter
The gutter took away the rain-water from the roof.
檐沟把从屋顶流下的雨水带走。

The stench from rotting food is stomach-churning.
腐烂食物散发的臭味让人反胃。