Perfluoroalkanes
全氟烃类
🗣️ 情景例句
Maybe you read our ads in the newspaper.
也许你在报纸上看过我们的广告。
Sure. Just help yourself.
可以，自己拿吧。
The wind then speaks the message of the sun to the sea and the sea transmits it on through waves.
然后，风把太阳的信息带给了大海，然后，风把太阳的信息带给了大海。