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
I'm going to bed.
我去睡觉了。
We must listen carefully to the teacher.
我们必须注意听老师说的话。
He no sooner recovers his equilibrium than the next porpoise comes along and hits him another crack.
海龟刚恢复平衡，第二只海豚又冲过来猛击一下。