下水的英文：
launch
launching
offal
take water

参考例句：

float a ship;float a navy.
使轮船下水;使舰艇下水

Launch a ship
使船下水

The new ship was launched today.
新船今天下水了。

Man overboard!
人掉下水了！

The boat is not afloat yet.
船还没浮在水上[下水]。

The oil tanker was launched last year.
那艘油轮去年下水了。

He got in at the shallow end of the swimming pool.
他在游泳池的浅水区下水。

The new ship cut her cable and slipped into the water.
新船砍缆下水。

The sewer pipe was clogged with pieces of rags
下水管道被破布块堵塞了。

Offal is now thought to be very nutritious.
现在认为下水很有营养

launch是什么意思：
v. 出海；起飞；发射；开展；提出；开办，发起；出版；开始
n. 发射；发行

LSR (Launch Signal Responder)
发射信号应答器

The new ship was launched today.
新船今天下水了。

The miners launched a strike.
矿工发动了一场罢工。

launching是什么意思：
n. 发射；下水；发动；发行；创设

LSR (Launch Signal Responder)
发射信号应答器

The new ship was launched today.
新船今天下水了。

The miners launched a strike.
矿工发动了一场罢工。

offal是什么意思：
n. 碎屑,残渣,下水,不能吃的部份,垃圾
n.内脏;腐肉;廉价肉

He was still spewing forth in public such offal about Mary Lincoln
他还在公众场合散布关于玛丽?林肯的这样一些谰言。