Positron
n. 正電子\\n[化] 正子; 正電子
?? 牛津釋義
positron
n
(physics 物) minute piece of matter (elementary particle) that has a positive electric charge and the same mass as an electron 正電子; 陽電子. Cf 參看 electron.
?? 醫學釋義
正電子，陽電子
??? 情景例句
How do you want your hot dogs?
你的熱狗想要什么調料？
Purse
皮包
We can also use satellites to help us make telephone calls to foreign countries.
我們也能利用衛星幫助我們打國際電話。