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
Gemma, sit. Gemma
Gemma,坐,Gemma,
He who would search for pearls must dive below(or deep).
欲寻珍珠，须潜水下。
He has been able to tell us more about active volcanoes than any man alive.
他能告诉我们的有关活火山的情况比任何在世的人都要多。