Polyfluorohydrocarbon
[化] 多氟烃; 多氟代烃
🗣️ 情景例句
To watch his woods fill up with snow.
注视他落满雪花的林子。
Well, I'm still feeling a little homesick and so many things seem strange to me.
噢，我还感到有点想家。而且这里的很多东西我还不习惯。
Later a neighbour told me about him.
后来，一位邻居告诉了我他的情况。