Over and over again, if you put the bell and the food together, pretty soon, the bell will generate saliva.

如果你一再让铃声和食物同时出现，很快，铃声便会促使唾液分泌。

youdao

youdao

That was the bell from the church bell tower.

这座老钟是从教堂的钟楼上换下来的。

youdao

She shook a little bell on the table, and a small black girl about twelve years old ran into the room.

VOA: special.2010.06.12

But over and over again, if you put the bell and the food together, pretty soon the bell will generate saliva.

但是，如果铃声和食物多次同时出现，很快，铃声便也能促使狗分泌出唾液。

耶鲁公开课 - 心理学导论课程节选

You're--and to put it in a crude way, you're teaching the dog that the bell goes with the food.

简单地说，你在让狗知道,铃声和食物是一起出现的。

耶鲁公开课 - 心理学导论课程节选

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