Alpha ray
[电] α射线
📖 牛津释义
alpha ray
stream of alpha particles 射线.
🧩 词语组成解析
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 long has it been since you've heard from your uncle?
自从你听到叔叔的消息有多长时间了?
He is in Australia.
他正在澳大利亚。
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