天

那天，我的小猫不见了。

That day, my kitten went missing.

有一天，他买了很多花。

One day, he bought a lot of flowers.

天上有一只鸟。

There's a bird in the sky.

天很蓝。

The sky is very blue.

这个月有三十天。

There are thirty days in this month.

他两天没来公司了。

He hasn't come to the office for two days.