Pentosamine
[化] 戊糖胺
🗣️ 情景例句
I had dinner with him Saturday,
星期六我与他一起吃晚餐，
From words to deeds is a great space.
言行之间，大有距离。
It is harvest time, and all the farmers are very busy.
因是收获季节，所有的农民都很忙。