pilot biscuit

美 [ˈpaɪlət ˈbɪskɪt]英 [ˈpaɪlət ˈbɪskɪt]
  • 网络压缩饼干
pilot biscuitpilot biscuit

noun

1
very hard unsalted biscuit or bread;a former ship's staple
Synonym: hardtack pilot bread sea biscuit ship biscuit

数据来源:WordNet