DEVELOPMENT REPORT – December 30, 2002: Adaptive Eyecare By Jill Moss This is the VOA Special English Development Report. The World Health Organization estimates as many as one-thousand-million peop

发表于:2019-01-02 / 阅读(81) / 评论(0) 分类 农业与发展

This podcast is brought to you by the American Chemical Society. The global challenges chemistry solutions podcast from ACS discusses how chemistry research is critical in solving some of the world's most daunting problems, concerning energy, food an

发表于:2019-01-08 / 阅读(50) / 评论(0) 分类 Scientific American(十一)月

发表于:2019-02-01 / 阅读(67) / 评论(0) 分类 财会英语

It's a stat that gets bounced around as e-mail-forward wisdom: men think about sex every seven seconds. Even when the idea lacks this mythical specificity and grandiosity (that's 7,200 times a day!), the idea that men think about sex basically all th

发表于:2019-02-17 / 阅读(48) / 评论(0) 分类 阅读空间

natality 生育 fertility 生育率 fecundity 生育能力 birth rate, natality rate 出生率 births 出生人数 parity 胎次 premature birth 早产 life birth 活产 stillbirth 死产 birth peaks 出生高峰 mortality 死亡 mortality rate 死亡率

发表于:2019-02-18 / 阅读(58) / 评论(0) 分类 实用英语

That proposition was put to the test after Paul Volcker became Fed chairman in 1979. 这种主张在保罗沃克尔于1979年成为美联储主席后被付诸验证。 Mr Volcker was set on getting inflation down. 当时,沃克尔决心要把通胀降

发表于:2019-02-25 / 阅读(70) / 评论(0) 分类 经济学人财经系列