Ekmolin
[化] 鱼素\\n[医] 鱼素
🗣️ 情景例句
What's wrong?
怎么了？
Poor without debt is better than a prince.
穷人无债胜王子。
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）