原声例句
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And, in fact, once you teach an animal something, if you stop doing the teaching the response goes away and this is known as extinction.
事实上，条件反射形成以后，如果得不到强化,条件反应就会逐渐消失,这就是消退。
应用推荐
$firstVoiceSent
- 来自原声例句