Question

allethrin
al.le.thrin  AHD[²l“…-thr¹n”]   DJ[6#l*7Gr!n]  KK[6#l*7Gr!n]
n.（名词）
    A synthetic clear or amber-colored viscous insecticide, C₁₉H₂₆O₃, similar to pyrethrin.
    丙烯除虫菊酯：一种合成的透明或琥珀色粘性杀虫剂，C₁₉H₂₆O₃，与除虫菊酯相似
ORIGIN
1.all(yl)
    all(yl)
2.(pyr)ethrin
    (pyr)ethrin