When Pavlov put food powder in the dog's mouth and saliva was generated, that's an unconditioned stimulus giving rise to an unconditioned response.

巴甫洛夫给狗喂食,狗会分泌唾液，这就是无条件刺激引起了无条件反应。

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Even if they're given healthy food at the same time, they'll tend to ignore the healthy food and eat a diet like this.

即使同时给它们喂食健康食品,它们也会选择前者的食物,而不吃健康食品

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What he would do is he'd put food powder in the dog's mouth to generate saliva.

他的做法是,给狗喂食，让狗分泌唾液。

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The experiment was, he would put--the pigeon was in a cage and he'd let the pigeon get pretty hungry -hungry pigeons are not happy pigeons.

实验过程是,他把鸽子困在笼子里,还不给鸽子喂食,饥饿的鸽子怒火中烧

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But Pavlov observed that when somebody entered the room who typically gave him the food powder, the dog--the food powder saliva would start to come out.

他注意到,当给它喂食的人,进屋时，狗便开始分泌唾液。

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And later on if you right before or right during you give the dog some food you--you ping a bell the bell will cause the saliva to come forth.

,在喂食前或者喂食过程中,你摇铃,铃声就会加速唾液的分泌。

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