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
The rural workforce has been flowing in to the cities ever since the open door policy was adopted.
自从改革开放政策实施以来，农付劳动力正不断流向城市。
A wise man will make tools of what comes to hand.
聪明的人能随机应变。
My coat and my umbrella please.
请把我的大衣和伞拿给我。