per.meth.rin
n.（名词）A topical insecticide, C2H 20CL 2O 3, used to treat head lice and nits, scabies, and various species of ticks. 百灭宁：局部杀虫剂，C2H 20CL 2O 3，用于对付头部虱子及其幼虫、疥癣与多种扁虱
来源：per- per- (res)methrin [a pyrethroid] resm- [of unknown origin] (pyr)ethrin(res)methrin [a pyrethroid] resm- [of unknown origin] (pyr)ethrin
