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geology )地质学 of the first period of the Palaeozoic; of the rocks formed during this time Topics Historyc2寒武纪的;寒武系岩的 Word Originmid 17th cent.: from Latin Cambria ‘Wales’, variant of Cumbria, from Welsh Cymry ‘Welshman’ or Cymru ‘Wales’.
relating to Wales 威尔士的