a dreamless sleep的意思|示意

On this occasion, he had fallen at once into a dreamless sleep.

这一次，他立刻进入了无梦的睡眠。

Sleeping at last in a dreamless sleep locked fast.

终于在无梦的睡眠中睡得香。

He fell into a deep dreamless sleep.

他酣然入睡，一夜无梦。

Dreamless sleep is much shallower, and we have all witnessed cats or dogs cocking their ears to a sound when apparently fast asleep.

无梦睡眠则要浅得多。我们都看到过猫和狗在显然的酣睡中，有一点响动耳朵就会竖起来。

It is dark like a sleep that is dreamless.

它沉黑得像无梦的睡眠。