Alpha emission
[电] α发射
🧩 词语组成解析
alpha
['ælfə]
n. 希腊字母的第一个字母;
🗣️ 情景例句
I need to make an appointment with you tonight.
我想今晚约你。
Missing school to watch the football match is out of the question.
为看足球赛而旷课，那可不行。
OK.
行。