🗣️ 情景例句
Will you become my wife?
你能成为我的妻子吗？
What a boring movie it is!
多么无聊的一场电影啊。
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）