Epichitosamine
氨基甘露糖
🗣️ 情景例句
You like living in New York, don't you?
喜欢住在纽约， 是吗？
These clothes are dirty, they need to be washed.
这些衣服脏了，需要去洗。
Yes?What's the letter.
怎么了？怎么回事？