Diazotability
重氮化本领
🗣️ 情景例句
Oh, I was sorry
噢 ，我很难过
A drowning man will catch at a straw.
溺水者见草也要抓；急何能择。
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）