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
No, thank you. Please tell him to phone me when he comes back.
不了，谢谢。他回来时，请告诉他给我打个电话。
Did you sell it to him yourself?
你自己亲自卖给他吗？
I am sick of always waiting for you!
你，老让我等你，真是烦透了。