Perfluoroamine
全氟胺
🗣️ 情景例句
This universal language has always brought people of different cultures close together.
这种世界性的语言将不同文化的人紧密地结合在一起。
Lifeless, faultless.
只有死人才不会犯错误。
Until we are intelligent as to its laws and varieties,
直到我们理解了风俗的规律性和多样性，