Dihydroxy-
二羟基
🗣️ 情景例句
If there's anything you need, just knock on my door.
有什么需要帮忙的话，尽管敲门来找我。
Smooth water runs deep.
大智若愚。
It is the one world in the Solar System that is most like the Earth.
火星是太阳系里与地球最接近的一颗行星。