Pentafluorization
五氟化反应
🗣️ 情景例句
This is Linda Aborn from the animal shelter.
我是动物收容所的Linda Aborn。
No, thanks. I'm in a hurry. How much is it?
不用了，谢谢。我还有急事。多少钱？
I am only interested in sitting in a boat and doing nothing at all!
我感兴趣的只是独坐孤舟，无所事事！