昨天是我们寒假的第一天。

Yesterday was the first day of our winter holiday.

youdao

这是我们寒假的第一天。

It was the first day of our winter holiday.

youdao

今天是寒假的第一天。

Today is the first day of winter vacation.

youdao

太阳不知不觉已经西下，阿姨也带这他们回家了，我也度过了一个快乐的寒假第一天。

Aunt sun unconsciously already, also brought it home, I also had a happy winter vacation the first day.

youdao

这是我们第一天的寒假。

It was the first day of our winter holiday.

youdao

这是我们第一天的寒假。

It was the first day of our winter holiday.

youdao