Animals can be conditioned to expect food at certain time.
可以训练动物定时等待食物。
Animals can be conditioned to expect food at certain times.
可以训练动物定时等待喂食。
Later these geese can be conditioned to follow a vehicle once they've become familiar with its sound and shape.
以后,一旦它们熟悉了机动车的声音和形状也能跟着它跑。
But the presence of the dog there is a conditioned stimulus and so you grew to be afraid of dogs.
而这时狗的存在就变成了条件刺激,所以你开始对狗心生恐惧。
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