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
If you need any help, I'll be ust over here.
如果你需要任何帮助，我都随时待命。
Give a fool rope enough and he will hang himself.
授绳与愚，愚能自傅。
a trough (the lowest point), a height (the vertical distance from the trough to the crest),
波谷（最低点）、浪高（从波谷到浪峰的垂直距离）