Chitosamine
[药]壳糖胺, 氨基葡糖, 葡糖胺
🗣️ 情景例句
What are you so upset about?
什么使你如此难过？
When in doubt, play trumps.
举棋苟不定，何妨将一军。
For a long time.I watched them scurrying around the base of the tree in bewilderment.
在很长一段时间里，我看见蚂蚁围着大树底部来回转悠，不知所措。