insecticide
🇺🇸
/ɪnˈsektɪsaɪd/
🇬🇧
/ɪnˈsektɪsaɪd/
A substance that is used to kill insects.
The farmer used an insecticide to protect his crops from pests.
農民使用殺蟲劑來保護他的莊稼免受害蟲的侵害。