hard-tack

英['hɑːdt'æk] 美['hɑːdt'æk]
  • n.硬饼干;旅行饼干
  • cotton n.棉花;棉制品;棉布
  • hard adj.硬的;困难的;棘手的;坚强的;残酷的;用力的;液态的;严寒的;确凿的adv.努力地;强烈地;严重地;坚定地
名词 hardtack:
  1. very hard unsalted biscuit or bread; a former ship's staple

  2. a mountain mahogany