fish用作可数名词指“鱼的条数”时,单数和复数形式相同(two fish两条鱼);指“鱼的种类”时复数形式为fishes(two fishes两种鱼)。当fish意为鱼肉时是不可数名词,无复数形式。
There are many kinds of fishes in the river.
河里有许多各种各样的鱼。
Help yourself to some fish.
随便吃些鱼肉。
Fishing is good at high water.
高水位有利于钓鱼。
How can you tell what sex a fish is?
你怎样辨别一条鱼的雌雄?
You will see many kinds of fishes in the fish market.
在鱼市上你可以看到很多种鱼。
How many fishes do you know by name?
你知道多少种鱼的名字?