Diazoamine
[机] 重氮氨
🗣️ 情景例句
I did , but everything is OK,so I decided to come back.
回去了， 但一切安好。于是我决定回来。
He has gone to America.
他去美国了。[动作结束后的结果持续至今]
Are you sure you can come by at nine?
你肯定你九点能来吗？