Alpha state
[医]α脑波状态
🧩 词语组成解析
alpha
['ælfə]
n. 希腊字母的第一个字母;
🗣️ 情景例句
when the dog scratched on the front door.
当那狗在抓前门时。
It is not how long but how well we live.
问题不是活得长不长而是活得好不好。
Are these English books?
这些是英语书吗？