标签：安全官员警惕生物恐怖主义 相关文章

万物简史 第401期:浩瀚的海洋(20)

According to one estimate, there could be as many as thirty million species of animals living in the sea, most still undiscovered. 据一项估计，海洋里可能生活着多达3000万种动物，大多数尚未被发现。 The first hint of how ab

发表于:2018-12-07 / 阅读(36) / 评论(0) 分类 万物简史

杰森克莱:大品牌如何来帮助拯救生物多样性

只要说服100家关键的企业参与可持续化的事业，世界野生动物基金的杰森克莱说全球市场将会转变来保护我们已经过度消耗的星球。听听他非凡的圆桌会议如何让大品牌争相同意将绿色环保措

发表于:2018-12-09 / 阅读(64) / 评论(0) 分类 TED公开课:群体的力量

与美国小学生一起学英文第9册 第2期:界

Kingdom 界 There are so many kinds of living things. 地球上有各种各样的生物。 There are plants, animals, bacteria, fungi and so on. 其中有植物、动物、细菌、真菌等等。 These are the highest categories when you group livin

发表于:2018-12-13 / 阅读(50) / 评论(0) 分类 与美国小学生一起学英文第9册

陨落星辰第一季 第12期:斯科特先生(1)

Uncle Scott wants a word with you. 斯科特叔叔要跟你说点事 He has some thoughts on the aliens 一些对付外星人的想法 he thought might be useful. 他觉得没准能帮上忙 Happy to talk to him 我先找点吃的 after I get a littl

发表于:2019-01-01 / 阅读(81) / 评论(0) 分类 陨落星辰第一季

VOA常速英语2015--巴基斯坦陆军参谋长宣称打击恐怖主义

巴基斯坦陆军参谋长宣称打击恐怖主义 General Raheel Sharif is Pakistan's fifteenth army Chief of Staff and comes from a highly-decorated army family. His older brother, the late Major Shabbir Sharif,received Pakistan's highest military

发表于:2019-01-14 / 阅读(73) / 评论(0) 分类 VOA标准英语2015年(三月)

VOA双语新闻 Afghan Leader Urges Continued International..

Afghan President Hamid Karzai, visiting Europe to secure continuing support for his country, says the help is needed if Afghanistan is to continue to reverse the extremism and terrorism that gripped his country during the Taleban regime. Mr. Karzai s

发表于:2019-01-19 / 阅读(61) / 评论(0) 分类 VOA双语新闻 Bilingual News

地沟油的第二春：将变身飞行燃油飞上天

让中国消费者闻之色变的地沟油(illegal cooking oil)在别人眼里却可以飞上天。7月中旬左右，2000吨产自上海的废弃油(abendoned oil)就将开始它们的飞天之旅，在通过报关(customs declaration)等手续后，这

发表于:2019-02-04 / 阅读(56) / 评论(0) 分类 英文语法词汇

万物简史 第455期:小生物的世界(26)

Between the autumn of 1918 and spring of the following year, 548,452 people died of the flu in America. 1918年秋天到次年春天，美国有54842人死于流感。 The toll in Britain was 220,000, with similar numbers dead in France and Germany. 英

发表于:2019-02-17 / 阅读(39) / 评论(0) 分类 万物简史

万物简史 第441期:小生物的世界(12)

In the early days, this was an exceedingly painstaking process. 早年，这是个极费力气的过程。 Work on a single bacterium could easily consume a year. 研究一个细菌就可能一下子花掉一年时间。 At that time, according to Wo

发表于:2019-02-17 / 阅读(60) / 评论(0) 分类 万物简史

万物简史 第445期:小生物的世界(16)

It is a natural human impulse to think of evolution as a long chain of improvements, 人们自然会不由自主地想到，进化是个不断完善的漫长过程， of a never-ending advance toward largeness and complexityin a word, toward us. 一个

发表于:2019-02-17 / 阅读(67) / 评论(0) 分类 万物简史

万物简史 第447期:小生物的世界(18)

Any HIV the mosquito sucks up on its travels is dissolved by the mosquito's own metabolism. 蚊子在叮咬过程中吸入的人体免疫缺陷病毒被蚊子自身的代谢作用分解了。 When the day comes that the virus mutates its way around t

发表于:2019-02-17 / 阅读(65) / 评论(0) 分类 万物简史

万物简史 第450期:小生物的世界(21)

Precisely the same thing happens with meningitis. 脑膜炎的情况完全一样。 At least 10 percent of young adults, and perhaps 30 percent of teenagers, carry the deadly meningococcal bacterium, 至少有10%的年轻人和也许30%的少年携带着

发表于:2019-02-17 / 阅读(48) / 评论(0) 分类 万物简史

万物简史 第451期:小生物的世界(22)

Soon one of these new strains, called Methicillin-Resistant Staphylococcus Aureus, began to show up in hospitals. 过不多久，一种名叫抗甲氧苯青霉素葡萄球菌的新品种葡萄球菌开始在医院里出现。 Only one type of antibio

发表于:2019-02-17 / 阅读(48) / 评论(0) 分类 万物简史

万物简史 第453期:小生物的世界(24)

Viruses prosper by hijacking the genetic material of a living cell and using it to produce more virus. 病毒掠夺活细胞的基因材料，用来制造更多的病毒，从而大量生长。 They reproduce in a fanatical manner, then burst out in

发表于:2019-02-17 / 阅读(47) / 评论(0) 分类 万物简史

万物简史 第448期:小生物的世界(19)

Anyway, getting sick is a sensible response to infection. 生病正是对感染的一种能感觉到的反应。 Sick people retire to their beds and thus are less of a threat to the wider community. 病人躺在病床上，因此减少了对更多人的

发表于:2019-02-17 / 阅读(49) / 评论(0) 分类 万物简史

万物简史 第433期:小生物的世界(4)

With this ability to evolve rapidly goes another, even scarier advantage. 有了这种能力，另一种更加吓人的优势会很快产生。 Bacteria share information. Any bacterium can take pieces of genetic coding from any other. 细菌能共享信

发表于:2019-02-17 / 阅读(36) / 评论(0) 分类 万物简史

万物简史 第438期:小生物的世界(9)

Many organisms in the visible world were also poorly served by the traditional division. 传统的分类法也不大适用于可见世界里的许多微生物。 Fungi, the group that includes mushrooms, molds, mildews, yeasts, and puffballs, were ne

发表于:2019-02-17 / 阅读(40) / 评论(0) 分类 万物简史

万物简史 第436期:小生物的世界(7)

In 1997 scientists successfully activated some anthrax spores that had lain dormant for eighty years in a museum display in Trondheim, Norway. 1997年，科学家们成功地激活了已经在挪威特隆赫姆博物馆休眠了80年之久的一些炭疽

发表于:2019-02-17 / 阅读(67) / 评论(0) 分类 万物简史

万物简史 第427期:生命的起源(21)

It has been suggested that the cyanobacteria at Shark Bay are perhaps the slowest-evolving organisms on Earth, and certainly now they are among the rarest. 据认为，沙克湾里的叠层石也许是地球上进化最慢的生物，也肯定是现在

发表于:2019-02-17 / 阅读(72) / 评论(0) 分类 万物简史

2015年CRI 中国驻联合国特使呼吁加强国际合作,打击恐怖主义

A Chinese envoy to the UN has urged enhanced international cooperation to fight terrorism. Liu Jieyi, China's permanent representative to the UN told a UN Security Council meeting on Friday that the increasing transnational flow of foreign terrorist

发表于:2019-02-21 / 阅读(79) / 评论(0) 分类 2015CRI中国国际广播电台
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