从纯粹的生物学意义上讲，恐惧始于身体系统对可能会伤害我们的事情的反应，也就是所谓的“战或逃反应”。

In a purely biological sense, fear begins with the body's system for reacting to things that can harm us—the so-called fight-or-flight response.

youdao

这个过程就是身体的“战或逃反应”。

This process is known as the body's "fight or flight" response.

youdao

这就是或战或逃反应。

This is also known as the fight-or-flight response.

youdao