This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Fingers are pretty nifty. They let you to grab a latte, type on a keyboard, even pull up your pants. But did you ever wonder: where do fingers come from?

发表于:2018-12-24 / 阅读(67) / 评论(0) 分类 Scientific American(九)月

dawdle /'dɔ:dl/ My sister dawdles over the dishes. Mother gets them done without wasting time. -- waste time; loiter; idle ﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌ vi. 浪费时间;闲荡 我妹妹洗起盘子来慢

发表于:2018-12-30 / 阅读(68) / 评论(0) 分类 突破英文词汇

BEIJING, March 8 (Xinhua) -- China has promulgated a regulation aimed at better protecting maritime observation resources for collecting continuous and accurate data so as to enhance maritime disaster prevention. The regulation, published on Wednesda

发表于:2019-01-19 / 阅读(77) / 评论(0) 分类 英语新闻

Of the two, Cope's scientific legacy was much the more substantial. In a breathtakingly industrious career, he wrote some 1,400 learned papers and described almost 1,300 new species of fossil (of all types, not just dinosaurs)more than double Marsh's

发表于:2019-01-29 / 阅读(43) / 评论(0) 分类 万物简史

Hmm, my, you should take this to the security guards, hmm, theres quite a bit of cash in here, yes, the man wears thick glasses and peers at Henry through them as he speaks and Henry reaches around under the mans jacket and steals his wallet. Since H

发表于:2019-01-29 / 阅读(44) / 评论(0) 分类 时间旅行者的妻子

Meet Chihira Junco, a tourist greeter at a shopping mall in Tokyo. 来见见地平Junco(Chihira Junco)吧,她是东京一个购物中心的游客迎宾员。 In her crisp blue button-down shirt, white blazer and pinstripe skirt, she stands in sensi

发表于:2019-02-18 / 阅读(44) / 评论(0) 分类 英语新闻