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
Now let's head off for the city and the university club.
现在让我们进城去， 到大学俱乐部。
To strive, to seek, to find, and not to yield.
要奋斗，要探索，要有所发现，而不要屈服。
I was very tired this morning. I couldn't get up.
我早上很累，起不来。