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点击文章末端“ 阅读原文 ” 获取完整电子版 （ PDF + Word + MP3音频） 每天分享一篇经济学人双语精读 全文翻译+全文注释+长难句分析 背景知识+写作技巧+短语+段落大意+词汇精析 本期同步音频 01 经济学人原文 Pest control ： Purple patches lavender extracts can help make mosquito - repellent clothing 【 1 】 A mosquito ’S Bite can do more than leave an itchy rash . Depending on the pathogens the insect carries , it can lead to a host of nasty diseases including dengue , malaria and yellow fever. 【 2 】 To date, synthetic repellents have been the best way to keep the little blood-suckers at bay . These work, but can cause a range of health problems including rashes , eye inflammation and respiratory distress . This has led many to search for alternatives . The compounds responsible for lavender ’s fragrance , for example, known as essential oils , have long b
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