题目内容：

英语翻译
要完全人工的翻译!
The Angel Fish
How can you tell when a fish wants to wat?Does a hungry fish look the same as a full one?
Jane trained her angel fish to ring a bell when they wanted food.for a few days she didn't feed them at all.they were very hungry.then she tied a little bell to one end of a string.she tied food to the other end and put it in the water.when the fish ate,the bell rang.
This were on for a few days.the fish ate the food,and the bell rang.then Jane put the string into the waterwithout the food.the fish bit at the empty string and the bell rang.every time they did this,Jane gave them food.soon the fish had learned to pull the string and ring the bell when they were hungry.have you ever seen fish with their own dinner bell.

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