Allopregnane
别孕(甾)烷
🗣️ 情景例句
Good-bye, Robbie. Good luck.
再见 ，Robbie ，祝你好运。
The little car has lots of room.
这小汽车有许多空间。
Ripe fruit falls from the trees and you never have to work.
成熟的水果从树上掉下来，人们根本无需劳动。