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
I'll find the people to help do it.
我可以找人来帮忙。
I want to extend my warmest welcome to all of you.
热烈欢迎大家。
and beyond six or seven they are worthless.
如果超过六七天，天气预报就没有了任何价值。