Mannosamine
甘露糖胺
🗣️ 情景例句
Let's go to the fraternity party.
咱们去兄弟会吧。
After you think it over,please let me know what you decide.
在你考虑它以后，请让我知道你决定什么。
I seldom have any difficulties.
我很少碰到困难。