这两本书白天与我为伴，晚上在枕下与我共眠。

Those two books were my companions by day, and under my pillow at night.

youdao

youdao

youdao

On day four, The heavenly bodies that give off light by day or night are created.

在第四天，那些在白天或者晚上发光的天体被创造了。

耶鲁公开课 - 旧约导论课程节选

Well, I would say it's a very different type of environment in the day and at night.

在白天和晚上，这里的环境会有很大不同。

是市民的朋友 - SpeakingMax英语口语达人