Alpha emitter
[电] α发射器
🧩 词语组成解析
alpha
['ælfə]
n. 希腊字母的第一个字母;
n. 发射体, 发射极\\n[计] 发射极; 发射器
🗣️ 情景例句
Don't go into hysterics.
不要歇斯底里。
I asked him to come with me , but he wouldn't.
我请他和我一起来，但是他不肯。
It's against the rules to handle the ball in soccer.
在足球中以手触球就是犯规。