Radiative transition
[化] 辐射跃迁
🧩 词语组成解析
a. 发光的, 放热的, 放射的
🗣️ 情景例句
What university are you attending?
你现在就读于哪所大学？
How many years have you been playing pingpong?
你打乒乓球多少年了？
I didn't have a penny the last time I saw you.
上次我见到你时，我连一个铜板也没有。