Spirodela polyrhiza
[医] 浮萍(植物杀虫药)
🗣️ 情景例句
Don't worry, be happy.
别担心，开心点。
In college I majored in science.What was your major?
在学院我主修了自然科学，你主修了什么？
I can assure you the prices we offer you are very favorable.
我敢保证我们向你提供的价位是合理的。