nugget

nugget
noun
  1. a small lump of gold or other precious metal found ready-formed in the earth
    天然金块;天然贵金属块
    ■a small chunk or lump of another substance
    (某种东西的)一小块
    a nugget of food.
    一小块食物。
    ■a valuable idea or fact
    有价值的想法(或事实)
    nuggets of information.
    有价值的信息。
语源
  1. mid 19th cent.: apparently from dialect nug 'lump', of unknown origin
英语宝典
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