起初，蓝盒子只是为了好玩和整人。

At first, the Blue Box was used for fun and pranks.

youdao

尽管故事讲了几十年了，预设的背景却非常简单：一位魅力十足的外星人乘一只破破烂烂的蓝盒子穿越时空，尽自己最大能力拯救世界。

Despite decades of lore, the premise is winningly simple: a charming alien travels through time and space in a dinged-up blue box, doing his level best to save the day.

youdao

盒子里有红、蓝和白三种颜色的粉笔。

The boxes contain red, blue and white chalks .

youdao

盒子里有一件红衬衫，一件蓝衬衫和一件黄衬衫。

The box contains a blue shirt and a yellow shirt.

youdao

盒子里有一件红衬衫，一件蓝衬衫和一件黄衬衫。

The box contains a blue shirt and a yellow shirt.

youdao