Cam·bri·an /ˈkæmbriən, ˈkem-/
  (a.)寒武紀的Cambria人,Wales人,寒武紀層
  Cam·bri·an, n.
  1. A native of Cambria or Wales.
  2. Geol. The Cambrian formation.
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  Cam·bri·an a.
  1. Geog. Of or pertaining to Cambria or Wales.
  2. Geol. Of or pertaining to the lowest subdivision of the rocks of the Silurian or Molluscan age; -- sometimes described as inferior to the Silurian. It is named from its development in Cambria or Wales. See the Diagram under Geology.
  Cambrian
       adj : of or relating to or characteristic of Wales or its people
             or their language; "the Welsh coast"; "Welsh syntax"
             [syn: Welsh]
       n 1: from 544 million to about 500 million years ago; marine
            invertebrates [syn: Cambrian period]
       2: a native or resident of Wales [syn: Welshman, Welsh]