Throbb
v. 悸动;跳动;震颤;有规律地跳动
🗣️ 情景例句
I don't know.
我不知道。
Are you over your cold yet?
你伤风好了吗？
a trough (the lowest point), a height (the vertical distance from the trough to the crest),
波谷（最低点）、浪高（从波谷到浪峰的垂直距离）