knapsack
英 [ˈnæpsæk]
美 [ˈnæpsæk]
n. 小背包
复数：knapsacks
BNC.34082 / COCA.17327
牛津词典
noun
- 小背包
a small rucksack
柯林斯词典
- 帆布（或皮）背包
Aknapsackis a canvas or leather bag that you carry on your back or over your shoulder, for example when you are walking in the countryside.
英英释义
noun