Alpha partical
[电] α粒子
🧩 词语组成解析
alpha
['ælfə]
n. 希腊字母的第一个字母;
[电] 质点
🗣️ 情景例句
What did you learn at school today?
你今天在学校学了什么？
He who rides a tiger is afraid to dismount.
骑虎者难下。
What's that?
那是什么？