Hexafluorobenzene
[化] 六氟苯; 六氟代苯
🗣️ 情景例句
One is as old as one's heart.
心多老人多老。
It's essential.
这是必要的。
Do you have to feed plants like you feed chickens? Or do they grow up by themselves?
你得要像喂小鸡那样去喂幼苗吗？还是它们自己长大呢？