eureka

eureka
[ˌjʊ(ə)ˈriːkə]
exclamation
  1. a cry of joy or satisfaction when one finds or discovers something
    我发现了！有了！
noun
  1. [mass noun]an alloy of copper and nickel used for electrical filament and resistance wire
    优铜，尤里卡高电阻铜镍合金
语源
  1. early 17th cent.: from Greek heurēka 'I have found it' (from heuriskein 'find'), said to have been uttered by Archimedes when he hit upon a method of determining the purity of gold. The noun dates from the early 20th cent
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