Positron
n. 正电子\\n[化] 正子; 正电子
📖 牛津释义
positron
n
(physics 物) minute piece of matter (elementary particle) that has a positive electric charge and the same mass as an electron 正电子; 阳电子. Cf 参看 electron.
🏥 医学释义
正电子，阳电子
🗣️ 情景例句
But first, I think we should take a moment
不过首先 我想我们应该用一两分钟
Courtesy costs nothing.
谦虚恭敬，不用分文。
He is respectful to his elders.
他对长辈很恭敬。