捞取的英文：
fish for; gain

参考例句：

We still skim the backwaters of ponds and streams for the seed of Betula, Acer Salix and Populus species
我们仍然要在池塘的静水上和溪流中捞取桦木，槭树、杨、柳等树的种子。

To salvage moon in the river
捞取水月

They think he has committed suicide and are going to drag the river.
他们以为他自杀，正在准备从河中捞取尸体。

He said that public servants should use government to serve and not to cash in.
他说，公务员应该运用政府权力为民服务，而不是从中捞取好处。

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。

gain是什么意思：
v. 获得；获利；增加；走快；到达
n. 增加；利润；收获

No pains, no gains.
不劳则无获。

This ticket will gain you admission [will gain admission for you].
这张票将使你得以入场。

Its gain is the product of the gains of its constituent branches.
它的增益等于它含有的分支的增益的积。

This was a campaign that gained momentum.
这是一场势头一直增强的运动。

They gained the game with ease.
他们很轻松地赢得了这场比赛。