The endless river rolls its waves hour after hour.

不尽长江滚滚来。

NREM-3 comes with slow rolling delta waves.

NREM-3期的特点是缓慢的delta波。

As you enter Stage 3, or slow wave sleep, the rolling waves increase as your neurons fire in coordination.

当进入第三阶段，也就是慢波睡眠，神经元会协调放电，脑电波波动就会增加。

Stuart glanced behind him. There came the sloop, boiling along fast, rolling up a bow wave and gaining steadily.

他又朝后面看了看，发现开过来一艘单桅船，她的船头在浪花里剧烈地摆动着。

On the bedside table stood a picture of my grandmother in the 1950s, her hair set in rolled waves, her smile open and trusting.

床头柜上放着我祖母 1950 年代的照片，她的头发盘成波浪形， 笑容灿烂而充满信任。