Pyrethrin
n. [化]除虫菊酯
🗣️ 情景例句
The signs of the city never fail to impress the foreign tourists.
外国游客无一不对该城市留有深刻的印象。
John has built up his own business.He owns a hotel.
约翰建立了他自己的生意，他拥有一家宾馆。
What's that fly doing in my soup?
我汤里的这只苍蝇在干什么呢？