[计] 加性单位元素, 加法恒等元

The Bourne Identity

The Bourne Identity Jason: I can’t remember anything that happened before two weeks ago. Marie: Lucky you. Jason: No, I’m serious. I don’t know who I am, I don’t know where I’m going. None o

发表于:2018-11-28 / 阅读(282) / 评论(0)

疯狂英语2003年

VOA慢速英语20060704a

AGRICULTURE REPORT - Jojoba: Not Your Usual Oilseed CropBy Mario Ritter Broadcast: Mon, 3 Jul 2006 16:00:00 UTC I'm Shep O'Neal with the VOA Special English Agriculture Report. Jojoba plants We have a

发表于:2018-12-07 / 阅读(195) / 评论(0)

2006年慢速英语（七）月

科学美国人60秒 SSS Pesticide Additive Could Be One Culprit in Bee Deaths

Pesticide Additive Could Be One Culprit in Bee Deaths 农药添加剂是蜜蜂死亡的一大诱因 Springtime is flower season. And that includes some 90 million almond trees in California. It's the largest pollination event in the U.S.and beekeeper

发表于:2018-12-24 / 阅读(170) / 评论(0)

2017年Scientific American(二)月

第67期: identity, drop, kid, lambent, machinery

说一口流利的英语，从简单的单词开始。听听，读读，背背，今天你的词汇量又增加了5个。单词/词义中英例句单词听读 identity [ ai5dentiti ] The police are

发表于:2018-12-30 / 阅读(232) / 评论(0)

每日攻克5词

TED演讲:一项关于电动车的大胆计划(10)

One car emits four tons. And actually 700 and change million cars today emit 2.8 billion tons of CO2. 一辆汽车排放4吨二氧化碳。现在的7亿辆汽车排放28亿吨二氧化碳。 That's, in the additive, about 25 percent of our problem. 那

发表于:2019-01-03 / 阅读(233) / 评论(0)

TED演讲科技篇

TED演讲:一项关于电动车的大胆计划(8)

And that's the difference between problems that are additive, like CO2, 这个就是可添加性问题，像二氧化碳问题， which we go slowly up and then we tip, and problems that are depletive, in which we lose what we have, which oscillate, 慢

发表于:2019-01-03 / 阅读(185) / 评论(0)

TED演讲科技篇

VOA常速英语2008年-Candidates Use Identity Politics to Attract Vot

By Jeffrey Young Washington 04 April 2008 It is human nature for people to associate with and support others like themselves -- based on race, ethnicity, religion, gender and other factors. In this segment of How America Elects, VOA's Jeffrey Young e

发表于:2019-01-07 / 阅读(169) / 评论(0)

VOA常速英语2008年（四月）

英语晨读：战胜恐惧

Conquer Fear To conquer ones fears ,one must see past them .To fear is natural ; to see past them is heroic. Fear is normal additive to life ,symbolizing that there are new ,sometimes extraordinary things to come ,to face .To be able to see these thi

发表于:2019-01-08 / 阅读(141) / 评论(0)

英语美文

AP 2010-11-22

1. The head of the Transportation Security Administration is admitting that new airport pat-downs are more invasive than what most are used to. But it doesn't sound like they're going away. He tells a Senate committee that the procedures are needed t

发表于:2019-01-11 / 阅读(220) / 评论(0)

美联社新闻一分钟2010(十一月)

每日一词【796】identity theft：身份盗用

今天我们要学的词是identity theft。Identity theft, 身份盗用。最近，三个人因为盗取一亿三千多万个信用卡和借记卡帐户的信息受到起诉。U.S. authorities believe it is the largest identity theft case ever prose

发表于:2019-01-16 / 阅读(181) / 评论(0)

英语每日一词

TED演讲:下一次工业革命就在眼前(5)

Last year in the US, they helped Amazon prepare and ship all the products required for Cyber Monday, 去年在美国，机器人帮助亚马逊发货，以应对网络星期一带来的 the annual peak of online retail. 年度线上零售消费高峰。

发表于:2019-01-18 / 阅读(170) / 评论(0)

TED演讲国际问题篇

经济学人: 回收:塑料公路 (3)

Cleaning and sorting plastic made out of multiple polymers can be relatively expensive, 清理和将多种聚合物制成的塑料进行分类的成本相对昂贵， especially if it is used to make low value products such as packaging. 尤其是这些

发表于:2019-01-26 / 阅读(199) / 评论(0)

经济学人科技系列

经济学人86:3D印刷印刷未来

Science and Technology Three-dimensional printing An image of the future 科技 3D印刷印刷未来 One of the biggest manufacturers in the world gives 3D printing a go 世界龙头机器制造商用3D印刷术进行了一次格外成功的应用 U

发表于:2019-01-26 / 阅读(198) / 评论(0)

经济学人科技系列

每天两餐西红柿永葆肌肤年轻

At this rate, scientists will have to come up with a better description for the tomato than mere 'superfood'. While it has long been credited with cutting cholesterol and preventing some cancers, the fruit now appears to have two more healthgiving be

发表于:2019-02-06 / 阅读(170) / 评论(0)

阅读空间

学个词Learn a Word 第1647-identity

今天我们要学的词是 identity。Identity 有个性，个体，个人身份的意思。identity theft 身份盗用。有统计数字显示，As many as 9 million Americans have their identity stolen each year. 美国每年有多达900万人身份

发表于:2019-02-08 / 阅读(185) / 评论(0)

英语单词荟萃

DNA result reveals identity of accident driver

SHENZHEN, May 30 (Xinhua) -- Police in Shenzhen, south China's Guangdong Province, said Wednesday that the speeding car driver Hou Peiqing was the one who caused the fatal accident on Saturday. Police showed DNA results at a press conference here, sa

发表于:2019-02-08 / 阅读(195) / 评论(0)

英语新闻

经济学人224:定制宠物只需按一下打印键

Science and technology 科学技术 Bespoke pets 定制宠物 Just press print 只需按一下打印键 It will soon be possible to design and build household animals to order 按需定制宠物很快将成为现实 I could have sworn I ordered this

发表于:2019-02-16 / 阅读(229) / 评论(0)

经济学人科技系列

经济学人:3D打印为汽车定制化服务再创里程碑

Business: 3D printing: Print my ride 商业：3D打印：打印我的座驾 A mass-market carmaker starts customising vehicles individually. 大众化生产商开启汽车定制新时代。 Another milestone has been passed in the adoption of additiv

发表于:2019-02-17 / 阅读(149) / 评论(0)

经济学人财经系列

2015十大新兴技术：未来会有多酷炫？

The 2015 list of the greatest emerging technologies was recently published by Bernard Meyerson, chief innovation officer of IBM and chair of the World Economic Forums Meta-Council on Emerging Technologies. 最近IBM的首席创新官兼世界经济论坛

发表于:2019-02-17 / 阅读(184) / 评论(0)

阅读空间

万物简史第213期:把铅撵出去(2)

Lead is a neurotoxin. Get too much of it and you can irreparably damage the brain and central nervous system. Among the many symptoms associated with overexposure are blindness, insomnia, kidney failure, hearing loss, cancer, palsies, and convulsions

发表于:2019-02-17 / 阅读(212) / 评论(0)

万物简史

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词