Theta rhythm
θ节律（一种脑节律）
🧩 词语组成解析
n. 希腊字母的第八字
🗣️ 情景例句
Quiet!
安静点儿！
He irons sweaters every day.
他每天都烫衣服。
Oh, by the way, there was a telephone call for you.
啊，顺便说一句，有你一个电话。