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lac/læklæk/
1.noun
紫胶制造清漆的原料
2.adjective,noun
lac operon (的)
3.noun
虫胶；紫胶（南亚某些昆虫分泌到树上的胶脂，溶解、过滤后可作火漆、染料及漆料）
4.noun
紫胶染料
5.noun
【同义词】lakh
6.adjective
乳糖操纵子的