Radiative decay
[电] 辐射衰变
🧩 词语组成解析
a. 发光的, 放热的, 放射的
🗣️ 情景例句
What is the charge for that?
那要多少费用？
I guess he's about 30.
我猜他大概30岁。
You're an asshole.
你这缺德鬼。