Pentosamine
[化] 戊糖胺
🗣️ 情景例句
and tell us all about it during lunch.
一面吃午餐 ，一面告诉我们一切。
I hope you get to the station on time.
我希望你准时到车站。
The policemen could not cope with the crowds.
警察无法对付群众。