So, this all seems a very technical phenomena related to animals and the like but it's easy to see how it generalizes and how it extends.

经典条件作用似乎是关于动物的,科学现象,但其实典条件作用发生,及其相关概念都简单易懂。

耶鲁公开课 - 心理学导论课程节选

But it also extends to people who want to teach young children and babies and also want to help populations like the severely autistic or the severely retarded.

人们还采用这个方法来教育婴幼儿,帮助那些患有诸如严重自闭症,和重度智障等病症的个体。

耶鲁公开课 - 心理学导论课程节选

And then in my own view, this extends to animals, to creatures.

然后在我个人看来，这也可以延伸到动物，乃至所有生物上。

麻省理工公开课 - 电影哲学课程节选

The violin string extends from x equals zero to x equals L, and we pluck the violin string.

弦从X轴指向原点,让x等于L，然后我们拉直那根弦。

麻省理工公开课 - 固态化学导论课程节选