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单词 Silurian
释义 Silurian
 /si loor"ee euhn, suy-/,  adj.  
  1. of or pertaining to the Silures or their country.
  2.  Geol.   noting or pertaining to a period of the Paleozoic Era, occurring from 425 to 405 million years ago, notable for the advent of air-breathing animals and terrestrial plants. See table under geologic time.
  n.  
  3.  Geol.   the Silurian Period or System of rocks.
 [1700-10; SILUR(ES) + -IAN]
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