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
Well, it was great to see you again. Let's not wait this long next time.
可以再见到你真是太好了，希望我们下次见面不用等这么久。
The physician said smoking is harmful to my health.
医生说了吸烟对我的健康有害。
How long have you lived there?
你在那里住多久了？