蜻蜓捕食蚊蝇。

The dragonfly feeds on mosquitoes and flies.

涂抹花露水可以防止蚊蝇叮咬。

Using toilet water can help you to avoid mosquitos, or flies.

纵观世界，更多的人死于由蚊蝇引发的疾病。

Throughout the world, more people are killed by mosquito-borne illness than any other factor.

安全配方，高效持久，为您解决畜牧养殖蚊蝇治理的后顾之忧。

Safe formula, efficient lasting, solve the trouble back at home of livestock.

目的了解杀虫气雾剂、杀虫烟剂和蚊香对灾民居住区入室蚊蝇的快速杀灭效果。

Objective to understand the effect of aerosol, smoke and mosquito coil against mosquitoes and flies in residential areas of victims.