Alpha-activeity
[化] α放射性
🧩 词语组成解析
alpha
['ælfə]
n. 希腊字母的第一个字母;
🗣️ 情景例句
Mom, got it.
妈妈， 找到了。
No way is impossible to courage.
勇敢面前没有通不过的路。
For years he has been asking me to collect snails from my garden and take them to him.
多年来，他一直让我把我园子里的蜗牛收集起来给他捎去。