Nina drowsed for a while.

妮娜打了会儿瞌睡。

Fatigue bore so heavily upon Becky that she drowsed off to sleep.

贝基感到非常疲乏，很快就睡着了。

The workers drowsed in the warm sun.

工人们在太阳底下打盹儿。

He drowsed in the sun.

他在阳光下打瞌睡。

She worked slowly but steadily while the other creatures drowsed.

她不断地，慢慢地工作着，而这时别的动物都在打瞌睡呢。