Chitosan
[药]壳聚糖, 脱乙酰壳多糖, 脱乙酰几丁质, 聚氨基葡萄糖
🗣️ 情景例句
What does NATO stand for?
NATO代表什么？
Don't be afraid.
不用担心！
The porter, however, could not understand me.
然而搬运工却不明白我的话。