Alpha system
[计] α系统, 字母信号系统
🧩 词语组成解析
alpha
['ælfə]
n. 希腊字母的第一个字母;
🗣️ 情景例句
I'm tired and hungry.
我累了， 也饿了。
But wouldn't you like to spend an extra day or two here?
你们不愿意在北京多待一天吗？
On the first lap, Class 3 were in front.
在跑第一圈时，3班在前边。