Dihydroxy-
二羟基
🗣️ 情景例句
It was a gradual process, involving many factors.
这是个渐进的过程，涉及到方方面面。
I'll calling 265-5822.
打265-5822。
The geologist needs to know what rocks the drill has reached,
地质学家需要知道钻头已经到达什么样的岩层，