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
Do you know when the bus for the Summer Palace leave?
你知道到颐和园的车几点开吗？
Watch me!
看好喔！
She had lived in the flat for thirty years and was a veritable magpie at hoarding;
老妇人在这套公寓里住了30年，她又是个名副其实的收藏家。