Translation of "knapsack" into Chinese

Found these in his knapsack after he said he had no car.

他 说 了 没车 后 在 背包 里 发现 了 这个

According to the Times, “teen- agers are tucking beepers into knapsacks, coat pockets and belts.

据《时报》指出,“青少年喜爱将传呼机藏在背囊、外衣口袋或腰带里。