sewer gas

同根派生

All drains should be ventilated to avoid the build-up of sewer gas.
应该给所有的排水管换气以避免阴沟臭气的集聚。
A device for sealing a passage against the escape of gases, especially a U - shaped or S - shaped bend in a drainpipe that prevents the return flow of sewer gas by means of a water barrier.
U字形或S字形隔臭管为防止气体漏逸而封堵一段通道的装置，尤指排水管中的U形管或S形弯管，它可以通过水的阻挡防止下水道气体倒流
A device for sealing a passage against the escape of gases, especially a U-shaped or S-shaped bend in a drainpipe that prevents the return flow of sewer gas by means of a water barrier.
U字形或S字形隔臭管为防止气体漏逸而封堵一段通道的装置，尤指排水管中的U形管或S形弯管，它可以通过水的阻挡防止下水道气体倒流
But her bosom was distended, swollen with sewer gas;
她的胸部被画得很大、被阴沟里的臭气充得胀大起来。
The sewer is choked up with rubbish.
下水道被垃圾堵住了。