研究人员

Walking or cycling is good for you even in polluted cities, researchers have found.研究人员发现，即使在有空气污染的城市，行走或骑车也是对健康有益的。The health benefit of physical activity outweighs the harm caused by ch

艾滋病研究人员马航MH17上遇难Nearly 30 Australians were on board Malaysia Airlines flight MH17 when it was shot down over eastern Ukraine. As if that wasnt tragic enough, more than 100 of the worlds top AIDS activists, re

二次污染secondary pollution相关英语词汇2013年中国多地被雾霾笼罩，因此013年被称为中国雾霾年，国人对空气的担忧从来不曾像现在这样强烈，对室内净化器的需求也大增。据报道，上海交通大学的研究人员研发出了一种空气净化新技术，可以

An Australian research team claimedon Wednesday that they have narrowed down the possible location of the missing MH370 flight to just a fraction of the ocean search area previously explored by Australian, Malaysian and