正常情况下，母犬会舔拭幼犬给予这种刺激，但对于没有母犬抚养的幼犬，就需要人为的给予刺激。
Ordinarily the mother's licking provides this stimulation, but orphaned puppies will need human intervention.
人类如同白鼠一样都可以在实验室里训练至害怕一种无害的刺激——一种声音或者颜色——同时给予电击即可。
Humans, like rats, can be trained in alaboratory to fear an innocuous stimulus—a sound or a color—by pairingit with a shock.
它不仅有助于我们审视他们的正面，而且还作为一个积极的共鸣给予他们足够的刺激来看到我们更积极的努力。
It will not only help us in looking at their positive light, but also act as a positive vibe giving them ample fillip to look at our efforts more positively.
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