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's wrong, Susan?
有什么问题吗， Susan？
While we breathe, there is hope.
只要活著，就有希望。
Since then, they have been trying to find out how the fire began.
从那时起，他们一直试图找出起火的原因。