Orthodeuterium
正重氢
🗣️ 情景例句
As I said, mostly the building just needs a good cleaning.
就像我先前所说的 这栋建筑物大部份仅需要好好打扫一下
First think,and then speak.
动口先动脑。
Are there any hills in the picture?
画里面有山吗？