Chitosamine
[药]壳糖胺, 氨基葡糖, 葡糖胺
🗣️ 情景例句
get some background on the job.
了解这项工程的一些背景。
I have confidence in myself.
我对自己颇具信心。
gradually, and often quite swiftly,
那么渐渐地，往往也是很顺利地，