Pentafluoride
五氟化物
🗣️ 情景例句
Well, I almost had a heart attack a few moments ago.
好啦，我几乎要得心脏病了。
Hurry up!
快一点啦！
You are left-handed, but in this photograph you will see that the young girl is painting with her right hand.
你是左撇子，而在这张照片里，你会发现这个小姑娘正在用右手绘画。