| 单词 | triarctic | 
| 释义 | > as lemmastriarctic   triarctic adj.  Brit.  , U.S.  , ΘΚΠ the world > the earth > land > land mass > continent > 			[adjective]		 > specific lemurian1871 triarctic1883 Euramerican1959 Laurasian1962 1883    A. R. Wallace in  Nature 22 Mar. 482/2  				Heilprin..seeks to show that the Neoarctic and Palæarctic should form one region, for which he proposes..‘Triarctic Region’, or the region of the three northern continents. < as lemmas  | 
	
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