这个箱子重量在55到60磅之间。

The box weighs ___between 55 and 60 pounds.

这场比赛面向6到12岁的儿童开放。

The competition is open to children ___between six and twelve years old.

这个项目是为18至25岁的年轻人设计的。

The program is designed for young adults ___between 18 and 25.