Pentafluorination
五氟化反应
🗣️ 情景例句
I really understand, Marilyn.
我真的能理解， Marilyn。
Sometimes the best gain is to lose.
有时大得即大失。
While my friend, George, was reading in bed, two thieves climbed into his kitchen.
当我的朋友乔治在床上看书时，两个小偷爬进了他的厨房。