Marrubiin
夏至(草素)味苦透明的内酯C20H28O4
🔁 扩展释义
【化】 夏至草素(得自欧夏至草的双萜内酯)
🗣️ 情景例句
I know you are.
我知道你是。
The farmer is hoeing the fields.
农民在耕地。
My French isn't very good but it is enough to get by.
我的法语不是太好，但应付一下也够了。