a fish farm的用法和样例：
- A tract of water for raising fish is a fish farm.
- Fisherman catch tons of live carp at a fish farm near Warsaw, Poland.
- A female sturgeon in a fish farm gives a last protest on its way to being butchered for caviar.
- He says seting setting up a fish farm is easier, less costly and more frofitable profitable than people might think.
- He says seting setting up a fish farm is easier, less costly and more profitable than people might think.
a fish farm的相关资料：