单词delta-rhythm
网络: 节律
Your brain will show the large slow waves that are known as the delta rhythm.
60分钟，你将进入沉睡状态。这时的脑电波表现为巨大的缓波，被称为δ节奏。
The delta rhythm will disappear, to be replaced by the activity pattern of brain waves.
波将会消失，取而代之的是脑波的活跃样式。
Your brain will show the large slow waves that are known as the delta rhythm. This is stage 4 sleep.
大脑将处于称为德尔塔节律的最慢波频，这就是第四睡眠期。