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
This couple treats their adopted child as their own.
这对夫妇把他们的养子视如己出。
She wishes to hear from her friend.
她希望收到朋友的来信。
Look! The bus is coming!
看，车来了！