Once a group of 17-year-old school boys decided to break the world basketball marathon record.的翻译：Once a group of 17-year-old school boys decided to break the world basketball marathon record. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Once a group of 17-year-old school boys decided to break the world basketball marathon record.

正在翻译，请等待...

Once a 17 -year-old group of school boys basketball marathon decided to break the world record.

Once a group of 17-year-old school boys decided to break the world basketball marathon record.