That change happens because something gets triggered in the membrane, and what gets triggered is a voltage gated sodium channel, which is shown here.

变化的原因是膜上某些东西被触发了,被触发的是钠离子电压门控通道,展示在这儿了

耶鲁公开课 - 生物医学工程探索课程节选

But... Or say that the car is hurtling towards a switch that will drop the trap.

但是。。。或者是列车飞驰而来时,正好可以触发活门开关。

耶鲁公开课 - 公正课程节选

Since the 1st of January it has become more and more evident to my mind that the war is henceforth to be conducted upon a different basis.

自元旦以来,我越来越明白,至此,实际上战争,被触发的起点不同

耶鲁公开课 - 美国内战与重建课程节选

It turns out that cultures, different cultures, including differences between America and Japan and the American South and the American North, have somewhat different emotional triggers and emotional baselines to respond to.

看起来文化，不同的文化，包括美日文化的不同,南北美文化的不同，有不同的情感触发点,和应对的情感底线。

耶鲁公开课 - 心理学导论课程节选

Here, I've just picked a couple of the pictures that I showed you last time when we were talking about cell communication in the immune system, What happens after the vaccine is introduced into your body is that it initiates cellular events.

我挑选了,我上次给你们展示的几幅图片,当我们讨论到,免疫系统中的细胞沟通时,讲到过当人体接种疫苗之后,能够触发,细胞活动

耶鲁公开课 - 生物医学工程探索课程节选