Petrocarbon
石油碳
??? 情景例句
If enough people show interest, I'll run the show.
假如有足夠多的人們感興趣，我就開始表演了。
As soon as she quit the room he returned to it.
她剛離開房間，他回來了。
Some of this heat near the earth's surfact is used to make electricity.
靠近地表的一部分熱量已被用來發(fā)電。