Positron decay
[医] 正电子衰变
🧩 词语组成解析
n. 正电子\\n[化] 正子; 正电子
🗣️ 情景例句
He missed a phone call.
他没接到一通电话。
What are you doing next week?
下周你干什么？
It will take me several hours if I really look at everything.
如果全部参观的话，那得需要好几个小时。