挺身向后滚翻的英文：
fish flop

fish是什么意思：
n. 鱼；鱼肉
v. 捕鱼，钓鱼；搜寻

Fishes is used to refer to different species of fish fishes
的形式是用以指鱼的不同品种

To fish in the air
海底捞月

Big fish eat little fish.
弱肉强食。

Fish as a countable noun has two plural formsfish and fishes.fish
一词作可数名词时有两个复数形式

Here is the fish counter.
这儿有卖鱼的。

flop是什么意思：
n. 砰然落下，拍击声；失败
v. 笨拙地抛（摔）；扑通放下（落下）；猛然坐下；彻底失败

The briefcase flopped onto the desk.
公文包重重地落在桌上。

He fell with a flop into the water.
他扑通一声掉进水里。

She flopped, exhausted, on to a sofa.
她精疲力竭，一屁股坐在沙发上。

The film flopped badly at the box office.
这部电影票房惨淡。

He flopped down the bag and ran to help us.
他噗地一声放下袋子，赶来帮助我们。