Alpha-emitting isotope
[化] α放射性同位素
🧩 词语组成解析
alpha
['ælfə]
n. 希腊字母的第一个字母;
n. 发射；发出, 散发
🗣️ 情景例句
I'm sure it's in your purse, Mrs. Tobin.
我相信是在你的皮包 Tobin太太。
In university, students are trained to become doctors and nurses.
大学的学生被训练成为医生和护士。
Broadly speaking, human beings may be divided into three classes: those who are toiled to death,
劳累至死的人、