Researches found that pests, like cockroaches and termites, secrete a kind of sticky fluid that allows them to cling and climb stalks of grain and roam furnitures.

• 研究发现大部分害虫，就比如蟑螂跟白蚁等，它们就是通过分泌一种粘附物质来帮助他们攀爬谷穗跟家私的。