Alpha atom
[计] α原子
🧩 词语组成解析
alpha
['ælfə]
n. 希腊字母的第一个字母;
🗣️ 情景例句
Good-bye.
再见。
Water dropping day by day wears the hardest rock away.
水滴天天滴不停，石头最坚也磨损。
It's seven twenty-five.
七点二十五了。