| 单词 | knapsack |
| 释义 | knapsack —knapsacked, adj. /nap"sak'/, n. a canvas, nylon, or leather bag for clothes, food, and other supplies, carried on the back by soldiers, hikers, etc. [1595-1605; < LG knappsack, equiv. to knapp a bite (of food) + sack SACK1; cf. dial. E knap to snap up, eat greedily] |
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