| 单词 | preoptic | 
| 释义 | Definition of preoptic in English:preopticadjective ˌpriːˈɒptɪk Anatomy 
 OriginLate 19th century (in an earlier sense). From pre- + optic. Definition of preoptic in US English:preopticadjectiveˌpriːˈɒptɪk Anatomy 
 OriginLate 19th century (in an earlier sense). From pre- + optic.  | 
	
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