Pentaglycol
2,2-二甲基丙二醇
🗣️ 情景例句
Great. What's happening with you these days?
非常好。你最近几天怎么样？
I understand completely.
我完全理解。
Yes, I'm afraid I do.I may come later.
是的，恐怕我必须做。我可以晚一点去。