knapsack

名词 n. 动词 v.
中文释义

英文释义

名词 n.
  1. A case of canvas or leather, for carrying items on the back. US,archaic
    — 1936, Arthur Ransome, Pigeon Post, ch 3. "All but Nancy carried knapsacks, with sandwiches and thermos flasks of tea. Peggy’s knapsack held Nancy’s provisions as well as her own, for on Nancy’s shoulders, instead of a knapsack, was a pigeon-basket […]"
  2. A set of values from which a subset is chosen.
动词 v.
  1. To go hiking while burdened with a knapsack, usually overnight or for longer.
    — My sleeping bag fell off my backpack into the water, while we were knapsacking up the mountain.

词形变化

knapsacks plural knapsacks present,singular,third-person knapsacking participle,present knapsacked participle,past knapsacked past

词汇关系

近义词
backpack rucksack
衍生词
knapsack problem

词源

词源 1
From Low German knapzak or Dutch knapzak (older form cnapsack), from Middle Dutch cnappen (“to bite with teeth”), ultimately from knappen (“to eat, crack”), of imitative origin, + sack. German Knappsack is from Dutch.
词源 2
From Low German knapzak or Dutch knapzak (older form cnapsack), from Middle Dutch cnappen (“to bite with teeth”), ultimately from knappen (“to eat, crack”), of imitative origin, + sack. German Knappsack is from Dutch.
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