Alpha ray
[电] α射线
📖 牛津释义
alpha ray
stream of alpha particles 射线.
🏥 医学释义
a 射线
🧩 词语组成解析
alpha
['ælfə]
n. 希腊字母的第一个字母;
ray
[rei]
n. （热或其他能量的）射线;光束，光线;微量;伞形花序柄;
vt. 放射;照射;（思想，希望等）闪现;发光;
🗣️ 情景例句
How can I forget?
怎么忘得了?
Opportunity seldom knocks twice.
机不可失，失不再来。
but more often than not, the greater part of the journey is spent on roads with few service stations and too much traffic.
但旅行的大部分时间都花在路上，而且只有很少的服务设施，交通也很拥挤。