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
They are eager to learn English.
他们急着要学英语。
There are good chances of promotion in this firm.
在这个企业里有很好的提升机会。
there is no evidence that the total amount of activity is any less.
但没有迹象表明，其活动总量有任何减少。