单词：
单词： 相关文章
Many people regard summer as a time for relaxing, eating ice cream, and...ouch! I just got bitten by a mosquito! For centuries, people have been searching for effective ways to prevent mosquito bites. What they have been looking for is mosquito repel
常春藤生活英语
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. April 25th was World Malaria Day. The mosquito-borne disease is still one of the biggest killers in developing countries with a death toll of a million
Scientific American(四)月
Kurt Achin It is rainy season in Southeast Asia, and the region is facing its annual battle with dengue fever and other mosquito-borne diseases. The World Health Organization says such diseases are a
VOA2004（上）--国际时事
Promising Mosquito Repellent Announced美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 6
VOA标准英语2014年(一月)
An area of the German city of Hamburg known for its nightlife is fighting back against drunken revellers who relieve themselves in the streets - by modifying the area's walls to pee back. 德国汉堡市一个以夜生活出名的地区近日开始对醉
英语新闻
South Korea's Olympic committee has unveiled special clothing to protect athletes from the Zika virus when they go to Brazil. The committee said the long-sleeved shirts and trousers would help protect the athletes from the mosquito-borne virus at the
cctv9英语新闻2016年