| 单词 | knapsack |
| 释义 | knapsack ['næp.sæk] UK old-fashioned or US noun countable ■a bag carried on the back or over the shoulder, usually quite small and made of cloth and leather, used especially by walkers or climbers for carrying food, clothes, etc. （徒步旅行者或登山者用的帆布或皮制的）小背包 |
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