per.meth.rin

n.（名詞）
A topical insecticide, C2H 20CL 2O 3, used to treat head lice and nits, scabies, and various species of ticks.
百滅寧：局部殺蟲劑，C2H 20CL 2O 3，用于對付頭部虱子及其幼蟲、疥癬與多種扁虱

來源：
per-
per-
(res)methrin [a pyrethroid] resm- [of unknown origin] (pyr)ethrin
(res)methrin [a pyrethroid] resm- [of unknown origin] (pyr)ethrin