冲毁的英文：
wash off

参考例句：

Embankment was destroyed by rush of waters
冲毁堤岸

In the year 1091, London Bridge was destroyed by a tidal surge during a storm.
伦敦大桥曾于 1091 年在一次暴风雨中被汹涌的潮水冲毁。

The main road leading into the city has been washed away, cutting off the town from outside.
通往这座城市的主要道路已被冲毁，切断了此城与外界的联系。

wash是什么意思：
v. 洗涤；洗澡；冲走
n. 洗涤；水流；薄涂层；肥皂液

The waves wash the foot of the cliffs.
波浪拍打断崖底部。

The sea washes the base of the cliffs.
海水冲击悬崖的底部。

The story won't wash.
这个故事经不起推敲。

I have a large wash this Sunday.
这星期天我有一大堆衣服要洗。

A clean hand wants no washing
身正不怕影子斜

off是什么意思：
adv. 掉，下；离开；隔开；切断；停止；；休息；光，完，尽；全部地
prep. 从...离开；从...向下；在...的外面；偏离...；从...分岔；不再从事...；低于...
adj. 关着的；停止流通的；延期的；取消的；不工作的；处于...境况的；萧条的
v.（用于祈使句）走开，滚开；站开
n. 关掉

Is the water on or off?
自来水龙头开着还是关着？

The gilt is off.
幻想破灭了。

to nip off; to cut off; to break
掐断

take off clearance = clearance for take off
起飞许可

They panned off the sand and dirt.
他们用淘金盘淘去砂泥。