Pentafluorization
五氟化反应
🗣️ 情景例句
that Grandpa Philip bought for him.
祖父Philip给他买的。
The demand for our products has kept rising.
要求定购我们产品的人越来越多。
What a delicious supper! Next time you must come to us.
多好吃的一顿饭呀！下次你要到我们家作客啊！