Carried by the female anopheles mosquito, malaria is a disease of the poor. In rural Africa, it is killing the young and the vulnerable. The need for a vaccine which would dramatically reduce mortality has never been greater. Dedicated teams of scie

发表于:2018-12-30 / 阅读(132) / 评论(0) 分类 国家地理2008年

Carried by the female anopheles mosquito, malaria is a disease of the poor. In rural Africa, it is killing the young and the vulnerable. The need for a vaccine which would dramatically reduce mortality has never been greater. Dedicated teams of scien

发表于:2019-01-22 / 阅读(61) / 评论(0) 分类 自然百科2008年

Business Aviation Flight to the future 商业 航空 飞向未来 Modernising creaking air-traffic systems will be a huge task 空中交通系统现代化进程任重道远 THESE days a $15,000 car comes with GPS satellite navigation fitted as standa

发表于:2019-01-26 / 阅读(101) / 评论(0) 分类 经济学人商业系列

have a long way to go 有很长的路要走,还需努力,任重道远 You still have a long way to go. Work hard. 你还有很长的路要走呢,努力吧! We still have a long way to go to get to his level. 我们要达到他的级别还有很

发表于:2019-02-16 / 阅读(57) / 评论(0) 分类 愉悦口语

Not swatted yet 消灭疟疾任重道远 A new vaccine is one step towards a distant goal 一种新疫苗让人类离消灭疟疾更近了一步 MAN has vanquished only one disease, smallpox. In 2007 Bill Gates set out to eradicate another, malaria.

发表于:2019-02-18 / 阅读(54) / 评论(0) 分类 经济学人综合