Nortisol
朦脱石土壤
🗣️ 情景例句
Columbia? Why Columbia?
Columbia？为什么要去Columbia？
No. Forget about it. It's not important.
哪儿的话，别提这件事了，那不算什么。
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）