Phosphonitryl
磷氮基
🗣️ 情景例句
There has been very little progress this term.
这学期没有什么进步。
One thing, however, that we should not forget in doing business is to have a sense of appreciation.
可是有一件事我们做生意时不能忘，就是保持一份感恩的心情。
How about having lunch with me?
一起吃顿中饭怎样？