knapsack [ˈnæpˌsæk]

例句:

• My knapsack,...with those six ponderous tomes of Bancroft, weighed me double.
  来自R. L. Stevenson
• " You can carry that blue knapsack. I'll take the tan one and the tripod. "
  “ 你可以帮着拿那个蓝背包, 我拿那个土黄色的和三脚架. ”
  
• Franklin placed the warm scarf Debbie had knitted for him in the top of his knapsack.
  富兰克林把黛比为他织的暖和的围巾放在背包的最上层.
  
• The moment he received the order, the soldier packed his knapsack.
  士兵一接到命令就打了背包.
  
• Ford got a video camera from his knapsack.
  来自NEWYORKER
• But there is another important item for your knapsack and mind you don't forget it: poetry.
  来自THETIMES