| 单词 | protocontinent | 
| 释义 | Definition of protocontinent in English:protocontinentnoun ˌprəʊtə(ʊ)ˈkɒntɪnənt Geology 
 Origin1950s; earliest use found in Geologie en Mijnbouw. From proto- + continent. Definition of protocontinent in US English:protocontinentnounˌprəʊtə(ʊ)ˈkɒntɪnənt Geology 
 Origin1950s; earliest use found in Geologie en Mijnbouw. From proto- + continent.  | 
	
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