Pyrazolinium
二氢化吡唑
🗣️ 情景例句
Yes, Miss Susan, we have you down for a deluxe room tonight.
您好，苏珊小姐，我们已为您定好了今晚一间豪华房间。
Who is to blame?
该怪谁？
This continental slope usually starts at a place somewhere near the 100-fathom mark
一般是从差不多100英寻水深的地方开始的，