Beta rays
[医] β[射]线
🧩 词语组成解析
n. 希腊字母表的第二个字母\\n[医] β(希腊文的第二个字母), 乙种
n. 射线；[俚]日光浴；光线（ray的复数）
🗣️ 情景例句
Yes, I remember. You were a great help.
是的， 我记得。你帮了个大忙。
When did I say that?
我什么时候说过了？
Invariably the background was the same: dirt and poverty, and very uncomfortable.
肮脏、贫穷，极其不舒适。