i like eating ______(fish )

fish 鱼肉嘛 不可数名词
当它是表示数目或种类时为可数名词
1.鱼[M][C];鱼类[C]
They have a large collection of fishes. 他们收集了大量的各种鱼类。
Fish are cold-blooded. 鱼是冷血动物。
2.鱼肉[U]
We'll have fish for dinner. 我们晚餐吃鱼。
3.【口】人,家伙[C]He is a queer fish. 他是个怪人。
1. N-COUNTA fish is a creature that lives in water and has a tail and fins. There are many different kinds of fish. 鱼
例：An expert angler was casting his line and catching a fish every time.
一名垂钓高手每次抛出鱼线都能钓到一条鱼。
2. N-UNCOUNTFish is the flesh of a fish eaten as food. 鱼肉
例：Does dry white wine go best with fish?
干白葡萄酒和鱼肉是最佳搭配吗？
3. V-IIf you fish, you try to catch fish, either for food or as a form of sport or recreation. 钓鱼
例：Brian remembers learning to fish in the Colorado River.
布莱恩记得在科罗拉多河学过钓鱼。
4. V-IIf you say that someone is fishing for information or praise, you disapprove of the fact that they are trying to get it from someone in an indirect way. 拐弯抹角地获取
例：He didn't want to create the impression that he was fishing for information.
他不想给人留下拐弯抹角打探消息的印象。

fish
鱼肉，为不可数名词，所以用原形
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应该填 fish (鱼肉）
另外,表 “鱼的数量”时 单复数都用fish
表 “鱼的种类”时 复数才+es