Some plants pump out smelly chemicals to keep insects away.
有些植物释放出有臭味的化学物质来赶走昆虫。
Previous lab studies have shown that smelly socks work well in attracting mosquitoes.
早先的实验室研究表明，臭袜子在吸引蚊子方面很管用。
Even Leicester Square, in the heart of West End of London, was piled with plastic bags full of smelly rubbish.
就连伦敦西区中心的莱斯特广场上都堆满了塑料袋，袋子里装满了发臭的垃圾。