对于大多数动物而言，一个严重威胁会引发一场战斗或逃跑反应，但是一旦危险过去，大脑就会停止发出威胁信号，他们也就返回到休息状态。

In most animals, a serious threat causes a fight-or-flight reaction, but once the danger has passed, the brain circuitry stops flaring and they return to a state of rest.

youdao

对于大多数动物而言，一个严重威胁会引发一场战斗或逃跑反应，但是一旦危险过去，大脑就会停止发出威胁信号，他们也就返回到休息状态。

In most animals, a serious threat causes a fight-or-flight reaction, but once the danger has passed, the brain circuitry stops flaring and they return to a state of rest.

youdao