Fluocarbon
氟代烃
🗣️ 情景例句
I'm Elsa Tobin. How do you do?
我叫Elsa Tobin ，你好。
Love is the true price of love.
爱情只能用爱情来报答。
We'll have a look at the woolen ones, thank you.
我们就看看羊毛衫吧，谢谢。