Fluorobutane
丁基氟, 1-氟代丁烷
🗣️ 情景例句
It'll all be over in two hours.
再两个小时就结束了。
We want to raise our children to be decent men and women.
我们要把我们的孩子培养成正派人。
These friendly dogs, which were first brought from Asia, were used as watchdogs even in Roman times.
那些最先从亚洲引进的狗，待人友好，早在罗马时代就给人当看门狗了。