Alkanolamide
链烷醇酰胺
🗣️ 情景例句
How can I get in touch with you?
我怎样和你联系呢？
A wonder lasts but nine days.
新鲜事儿不久长。
I hope you can come to my party next Sunday.
我希望你能参加我下星期天的聚会。