杀虫剂

fěn zhuàng shā chóng jì

粉状杀虫剂

powdered insecticide

qì tài shā chóng jì

气态杀虫剂

gaseous insecticide

zhè zhǒng xīn de shā chóng jì shì yóu jǐ zhǒng yǒu hài huà xué pǐn zhì chéng de

这种新的杀虫剂是由几种有害化学品制成的。

The new insecticide is compounded of several harmful chemicals.

wén zi duì shā chóng jì yǒu dǐ kàng lì

蚊子对杀虫剂有抵抗力。

Mosquitoes are becoming resistant to insecticides.