疏通的英文：
dredge

Unblock a road; unblock a coronary artery.
清除路障;疏通冠状动脉

The traffic will get less congested soon.
交通阻塞会迅速疏通。

We must unplug the sewer.
我们必须疏通下水道。

The drain is blocked and needs unplugging.
排水管堵塞了,得疏通一下.

Unstop a sink,toilet,drain,etc
疏通洗涤槽、抽水马桶、下水道等.

had to outwait the traffic jam.
只好等到交通阻塞被疏通后

Kevin works the barbeque, sweats over blocked pipes, and deals with vermin and anything dead lodged under the house.
凯文主管野餐烤肉，为疏通水管汗流浃背，处理害虫还有房间里失去生命的东西。

They dredged that foul chimney.
他们疏通了阻塞不通的烟囱。

To clean,deepen,or widen with a dredge.
用挖掘机清除、加深或加宽

Why try to dredge up the sad facts of the past?
过去的伤心事何必重提呢？

They have to dredge the canal so that ships can use it.
他们须疏浚运河河道轮船方可通航。

Ritter also explained how to dredge information from local newspaper.
里特尔还讲了如何从地方报纸上挖掘情报。