aindexallethrin./al-uh-thrin/US // ˈæl ə θrɪn //UK // (æˈlɛθrɪn) //异丙嗪,烯丙菊酯,赤霉烯酮,赤霉烯Definitionsn.noun · 名词1. Chemistry.›a clear, amber, viscous liquid, C19H26O3, used as an insecticide.Level 3More words in a →