初始质壁分离

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(99) / 评论(0) 分类 Scientific American(九)月

Todd: So, Shifani, you are an expert in urban planning, and more specifically, in transport. What do you envision in the future, let's say, in fifty years from now? Shifani: Fifty years from now is quite a long time to project, but future cities woul

发表于:2018-12-25 / 阅读(43) / 评论(0) 分类 原版英语对话1000个

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(83) / 评论(0) 分类 突破英文词汇

Medical doctors are, by tradition, expected to be incorruptible. I found it incredible, therefore, to learn of recent reports that suggest an inclination to ignore patients needs, in favour of kickbacks from pharmaceutical companies. It appears that

发表于:2018-12-30 / 阅读(50) / 评论(0) 分类 胡敏托福词汇记单词

This is the second in a 2-part Business English Pod series on presenting a SWOT analysis. A SWOT analysis is a tool that helps companies understand their strengths and weaknesses, while keeping in mind the opportunities and threats they face. In this

发表于:2018-12-31 / 阅读(142) / 评论(0) 分类 商务英语演讲课

By Mignon Fogarty I decided to write about comma splices because my friend Scott Sigler has a book coming out this week, Ancestor, published by Crown. Over three years ago, when he was publishing an earlier version of the book with a smaller publishe

发表于:2019-01-02 / 阅读(152) / 评论(0) 分类 英语语法 Grammar Girl

Grammar Girl here. Today's topic is how a verb and an adverb messed up the inauguration. I took a break from work Tuesday to watch Barack Obama's inauguration, and like millions of other people, I saw a bit of confusion between Chief Justice John Rob

发表于:2019-01-02 / 阅读(109) / 评论(0) 分类 英语语法 Grammar Girl

角化与萎缩性皮肤病 毛囊角化症 dyskeratosis follicularis Mibelli汗孔角化症 porokeratosis of Mibelli 剥夺性角质松解症 keratolysis exfoliativa 掌跖角化症 keratosis palmari

发表于:2019-01-03 / 阅读(87) / 评论(0) 分类 医务英语

发表于:2019-01-03 / 阅读(92) / 评论(0) 分类 医务英语

By Noel King Kigali 08 September 2007 Humanitarian aid groups are sounding the alarm as fighting in the eastern Democratic Republic of Congo forces tens of thousands of civilians from their homes in North Kivu Province. Noel King has more in this rep

发表于:2019-01-09 / 阅读(170) / 评论(0) 分类 2007年VOA标准英语(九月)

The U.S. housing sector remains weak, two years into an unprecedented decline. House prices, house sales, and house construction are all continuing to fall. Houses for sale in Denver, Colorado Home prices in the United States have fallen over eight

发表于:2019-01-13 / 阅读(85) / 评论(0) 分类 VOA标准英语2008年(十二月)

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(61) / 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(79) / 评论(0) 分类 时间旅行者的妻子

A blonde was being interviewed by the Chief of Police for an opening in the local Police Department. The chief said that before I hire you I have to ask a few questions. Chief: First how much is 1 and 1. Blonde ElevenChief: Well I guess I will accept

发表于:2019-02-05 / 阅读(119) / 评论(0) 分类 趣味英语

By Lisa Schlein Geneva 06 August 2007 The World Health Organization says all countries, with the exception of Indonesia, are sharing their avian influenza viruses. WHO says the failure to share virus samples could retard the development of an effecti

发表于:2019-02-05 / 阅读(146) / 评论(0) 分类 2007年VOA标准英语(八月)

音乐咖啡厅:Seal - Les Mots 相关介绍:Seal 全名Seal Henry Samuel,于1963年2月19日出生在英国伦敦,他是一名混血儿,父母分别是自尼日利亚人和巴西人。自上世纪90年代以来,Seal一直都是英国最受欢

发表于:2019-02-05 / 阅读(198) / 评论(0) 分类 音乐咖啡厅

今天给大家带来的歌曲I remember来自mocca。 Mocca是印尼独立流行乐团的翘楚,乐队已经成立7年,由一女三男共四位成员组成,分别吉他riko,贝斯toma,鼓手indra以及核心人物,也是乐团唯一的女士,她是主唱兼笛子演奏,名叫Arina Ephipania Simangunsong。 Mocca是一支

发表于:2019-02-06 / 阅读(174) / 评论(0) 分类 音乐咖啡厅

The U.S. housing sector remains weak, two years into an unprecedented decline. House prices, house sales, and house construction are all continuing to fall. 美国的房屋市场依然疲软,房价已经史无前例地连续两年下跌。美国的房

发表于:2019-02-14 / 阅读(46) / 评论(0) 分类 VOA双语新闻 2008年12月

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(61) / 评论(0) 分类 英语新闻