🧩 词语组成解析
alpha
['ælfə]
n. 希腊字母的第一个字母;
[医]甲胎蛋白
🗣️ 情景例句
Unbelievable!
真不敢相信！
Off the hook.
放你一马。
While two detectives were keeping guard at the door, two others opened the parcel.
这时两个侦探把住门口，另外两个侦探打开了包裹。