Chitosamine
[药]壳糖胺, 氨基葡糖, 葡糖胺
🗣️ 情景例句
The fifth word.
第五个字。
I have received a letter from my cousin.
我收到了我表兄的信。
The man said that the pen was worth $50,
那人说那支笔值50英镑，