That people would disappear as a distinctive entity, and in effect, that is what happened to the ten tribes of the northern kingdom to a large degree.

原本独特的性质逐渐消失，实际上，从很大程度上看,这就是北边十部落消失的原因。

耶鲁公开课 - 旧约导论课程节选

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。

耶鲁公开课 - 心理学导论课程节选