| 单词 | protoctistan | 
| 释义 | Definition of protoctistan in English:protoctistanadjective ˌprəʊtɒkˈtɪst(ə)n Biology 
 noun ˌprəʊtɒkˈtɪst(ə)n Biology 
 Origin1980s; earliest use found in Precambrian Research. From Protoctista + -an. Definition of protoctistan in US English:protoctistanadjectiveˌprəʊtɒkˈtɪst(ə)n Biology 
 nounˌprəʊtɒkˈtɪst(ə)n Biology 
 Origin1980s; earliest use found in Precambrian Research. From Protoctista + -an.  | 
	
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