n.帆布背包
He was weighted down with a heavy rucksack. 他背着很重的背包。
She shouldered her rucksack and set off along the road. 她背起帆布背包就上路了。
In their view anybody with a rucksack and long hair is a hippy. 在他们看来，肩背帆布包、留长发的人都是嬉皮士。
