来自德语 Rucksack,背包，来自 Rucken,背，词源同 ridge,Sack,包，词源同 sack.

1. My rucksack was too big for the luggage rack.

我的背包太大了，行李架上放不下。

2. Charlie humped his rucksack up the stairs to his flat.

查利费力地将背包背到楼上自己的公寓里。

3. Use a weatherproof rucksack to carry your camera and lenses around in.

用防风雨的帆布背包装照相机和镜头。

4. He had a small green rucksack slung over one shoulder.

他单肩挎着一个绿色的帆布小背包。

5. She delved into her rucksack and pulled out a folder.

她在背包里翻找一番后拿出了一个文件夹。