Keturonate
糖酮酸
🗣️ 情景例句
It makes a tremendous difference to me.
这对我来说差别极大。
I'm afraid I won't be able to come.
我恐怕不能来。
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。