Alpha emitter
[电] α发射器
🧩 词语组成解析
alpha
['ælfə]
n. 希腊字母的第一个字母;
n. 发射体, 发射极\\n[计] 发射极; 发射器
🗣️ 情景例句
will read a poem by Robert Frost.
要朗读Robert Frost作的一首诗。
I ate peaches for breakfast yesterday.
我昨天早饭吃的是桃子。
But Mr. Green says: It is better to give than to receive.
“给予比接受好。”