雌雄性引诱色

Economics Report - Ready to Save Like There's No Tomorrow? This is the VOA Special English Economics Report. Are you a saver or a spender? A penny saved is a penny earned. This old saying calls attention to the wisdom of saving money. Putting money a

发表于:2018-12-07 / 阅读(32) / 评论(0) 分类 2012年VOA慢速英语(六)月

Economics Report - A Closer Look at High-Frequency Trading 经济报道 - 近距离审视股票市场高频交易 This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 Once, stocks were traded through the

发表于:2018-12-16 / 阅读(82) / 评论(0) 分类 2011年VOA慢速英语(十)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Some people are worried that the more we learn about genetics, the closer well get to a day when we can choose all sorts of characteristics for our bab

发表于:2018-12-24 / 阅读(51) / 评论(0) 分类 Scientific American(三)月

Economics Report - Greece Struggles to Form Government, Unsure about Reform This is the VOA Special English Economics Report. The Olympic flame was lit in Greece Thursday. The ceremony marked the beginning of a long trip through Greece and Britain, w

发表于:2019-01-12 / 阅读(57) / 评论(0) 分类 2012年VOA慢速英语(六)月

But I want to jump up to shallow water now and look at some creatures that are positively amazing. 不过我现在还是想说说浅水里的世界,来看看那些神奇的生物。 Cephalopods -- head-foots. As a kid I knew them as calamari, mostl

发表于:2019-01-18 / 阅读(36) / 评论(0) 分类 TED演讲教育篇

Related reading: Chinese scientists on Wednesday announced the first direct evidence linking the Zika virus to microcephaly in mice experiments. Xu Zhiheng with the Institute of Genetics and Developmental Biology of the Chinese Academy of Sciences in

发表于:2019-02-18 / 阅读(67) / 评论(0) 分类 cctv9英语新闻2016年
学英语单词