hard-tack

基本解释

• n.硬饼干；旅行饼干

同根派生

英汉例句

• Thisis a set of six rations consisting of a biscuit substitute, algae hard tack,algae crackers, coffee bag, coffee can, and water packet.
  这是一套六包的口粮组成的饼乾代替，藻类硬钉，藻类饼乾，咖啡袋，咖啡可以和水包。
• It is hard to sleep without a cooler in this room.
  没有空气调节器，在这间屋里很难入睡。
• John felt it hard to rig out his family.
  约翰感到难以为一家大小置备衣着。
• The hard core in the party make all the decisions.
  这个党的核心成员决定一切。
• Hard copy is computer output on paper, printing or graphics.
  硬拷贝是出现在纸上、印刷上或图表上的电脑输出。