Pentafluorated
五氟化的
🗣️ 情景例句
Great. What's happening with you these days?
非常好。你最近几天怎么样？
I will go for a walk.
我将去散步。
They have also assumed that all animals, and probably other organisms such as trees,
人们不但认识到所有的动物，大概也认识到所有的有机物，如树木，