knapsack
US /ˈnæp.sæk/
UK /ˈnæp.sæk/
1.
mochila, macuto
a bag with shoulder straps, carried on the back, and typically made of canvas or other waterproof material
:
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He packed his lunch and a water bottle in his knapsack before heading out for a hike.
Empacó su almuerzo y una botella de agua en su mochila antes de salir a caminar.
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The old soldier carried his belongings in a worn leather knapsack.
El viejo soldado llevaba sus pertenencias en una mochila de cuero gastada.