His letters, like his poetry, are life-enhancing and a delight.他的信跟他的诗一样，读来令生活更添滋味，可谓一大乐事。The drug increases the number of red cells in the blood, enhancing oxygen uptake by 10 percent.这种药增加了血液里的红细胞数量，从而将摄氧量提高了10%。Nanome...
Gates, Buffett and Turner have been quietly worrying about Malthusian population problems for years.盖茨 、 巴菲特和特纳多年来一直都在暗自担忧马尔萨斯(Malthus)所提出的人口问题.This passage introduces of population pressure - the greatest feature of mod...
There are tens of million stamp hobbyists across the country.全国有数千万邮票爱好者.Understandably, therefore, those biotechnology hobbyists who now exist are few in number.所以不难理解为什么现在生物技术发烧友还很少.Good for making both hobbyists and t...