day n. 一天；时期；

daily adj. 日常的；每日的；

例句：

Your needs can differ from day to day.

你的需要可能每天都在变化。

Events of this description occurred daily.

这类事件每天都有发生。

扩展资料

They're improving day by day.

他们在一天天地改进。

Day by day his condition improved.

他的健康状况一天天好转。

The machines are inspected twice daily.

机器每日检查两次。

We fly between Rome and Paris twice daily.

我们每天有两次航班穿梭于罗马和巴黎之间。