[计] 协方差序列

SSS 2009-12-30

Before you pay big money for caviar, check with two New York City high school students. Brenda Tan and Matt Cost worked with DNA barcoding experts at Rockefeller University and other researchers at the American Museum of Natural History to identify h

发表于:2018-12-02 / 阅读(90) / 评论(0)

Scientific American(十二)月

听电影学英语-天气预报员 10

[0-1:59.18]Do you know that the harder thing to do and the right thing to do... 你知不知道：难做的事和应该做的事．．． [00:04.98]are usually the same thing? 往往是同一件事？ [00:07.98]Nothing that has meaning is easy. 凡是有

发表于:2018-12-07 / 阅读(97) / 评论(0)

听电影学英语-天气预报员

听电影学英语-天气预报员 13

[00:06.86]We'll let you know. 我们会通知你的 [00:26.98]-Russ is here. -Okay. -拉斯在这儿 -好 [00:29.74]-Where's Mike? -lnside. -迈克呢？ -在里面 [00:38.90]-Dave. -Hi, Russ. -戴维 -嗨，拉斯 [00:39.70]He's upstairs. He's still

发表于:2018-12-07 / 阅读(143) / 评论(0)

听电影学英语-天气预报员

数学英语 25 What is the Fibonacci Sequence

图片 by Jason Marshall Its not often someone suggests that knowing some math could make you the life of the party, but thats exactly what Im going to do. Yes, a properly timed delivery of a few fun facts about the famed Fibonacci sequence just migh

发表于:2018-12-07 / 阅读(116) / 评论(0)

数学英语

VOA慢速英语20060809b

HEALTH REPORT - Indonesia Passes Vietnam as Nation With Most Bird Flu DeathsBy Caty Weaver Broadcast: Wednesday, August 09, 2006 This is the VOA Special English Health Report. Indonesia Indonesia pass

发表于:2018-12-07 / 阅读(50) / 评论(0)

2006年慢速英语（八）月

托福阅读备考之长难句分析：岩层顺序

托福阅读长难句：岩层顺序 29. But as more and more accumulations of strata were cataloged in more and more places, it became clear that the sequences of rocks sometimes differed from region to region and that no rock type was ever going to

发表于:2018-12-19 / 阅读(113) / 评论(0)

托福英语

SSS 2011-07-21

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. After water, tea is the world's most popular drink. Now three New York City high school students have discovered what maybe a bruing scandal because th

发表于:2018-12-24 / 阅读(131) / 评论(0)

Scientific American(七)月

欧美电影简介：《记忆碎片》

《记忆碎片》是根据乔纳森诺兰的短篇小说《Memento Mori》改编而成的悬念影片，影片由克里斯托弗诺兰导演，盖皮尔斯、凯莉安妮莫斯、乔潘托里亚诺、小马克布恩等人主演。影片讲述了患有

发表于:2018-12-27 / 阅读(90) / 评论(0)

欧美电影简介

【英音模仿秀】电梯被困之谜

文本：By first I walked around, and I just kept pushing at different sequences of buttons. Then I, at some point, took out my wallet and tried to distract myself by reading the back of a football ticket I had. You know, I was yelling up and down t

发表于:2018-12-28 / 阅读(46) / 评论(0)

英音模仿秀

【突破英文词汇】有关disagreement“不一致”的词汇(2/2)

1. antagonize /n'tɡənaɪz/ vt. 对立 The official antagonized the leader of his own party by accusing him of cowardice. 那位官员谴责自己党内的领导人怯懦，与他产生敌对。 2. dissent /dɪ'sent/ vi. 反对 The vote approving th

发表于:2018-12-30 / 阅读(113) / 评论(0)

突破英文词汇

数学英语 22 What Are Sequences in Math?

by Jason Marshall In the last few articles, weve talked about fractions and percentages, and soon enough well see that these ideas naturally lead us into the world of decimal numbers. But before we head down that path, lets take a quick detour to tal

发表于:2019-01-02 / 阅读(161) / 评论(0)

数学英语

数学英语 18 What Are Geometric Sequences?

by Jason Marshall In the last article, we began talking about mathematical sequencesin particular, a type of sequence known as an arithmetic sequence. Today, were going to turn our attention to another type of sequence called a geometric sequence. In

发表于:2019-01-02 / 阅读(139) / 评论(0)

数学英语

英语四级同形异义词辨析01

英语四级同形异义词辨析01 第一单元复习 1. Dont this news to the public until we give you the go-ahead A) release B) relieve C) relate D) retain 2. We are interested in the weather because it us so directly what we wear, what we do, an

发表于:2019-01-03 / 阅读(62) / 评论(0)

四六级词汇与结构练习

《名人传记》之我是李小龙44:《精武门》中的爱国主义情怀

At certain times there were prejudices against my skin but I never let it bother me because in the back of my mind I used to think I'll take care of the partner. Or just I'll beat your head in. 有时人们会因我的肤色心生偏见，但我毫不在

发表于:2019-01-23 / 阅读(58) / 评论(0)

名人传记

绿箭侠第一季第45期:火车道上的审问

I've got one question. 我有个问题 Why am I being fired? 我为什么被解雇了 Ms. Smoke, isn't it? Yes. 你是斯莫克小姐，对吗，是我 And I am without a doubt 我毫无疑问是 the single most valuable member of your technical divi

发表于:2019-01-29 / 阅读(78) / 评论(0)

绿箭侠第一季

How to Safeguard Your Income

How to Safeguard Your Income Im a big believer in diversification. Putting all your eggs in one basket is dangerous, especially in your personal finance. Diversification is a good way to reduce your risks. The question is how we should go about diver

发表于:2019-01-31 / 阅读(130) / 评论(0)

阅读空间

我国29省份出台户籍改革方案部分地区放宽落户条件

The reform of the housing registration, or hukou system, has been under way in most regions in China following the State Council's call to establish a unified household registration system for urban and rural residents in a document issued in 2014. 继

发表于:2019-02-03 / 阅读(63) / 评论(0)

英语新闻

经济学人259:直到死神将我们分开

Science and technology 科学技术 HIV and AIDS 人体免疫缺陷病毒和获得性免疫缺陷综合征 Till death do us part 直到死神将我们分开 Putting numbers on infidelity 细数出轨之罪 ONE of the problems of dealing with a sexual

发表于:2019-02-05 / 阅读(97) / 评论(0)

经济学人科技系列

统计学名词英语单词

统计学名词英语单词 population 母体 sample 样本 census 普查 sampling 抽样 quantitative 量的 qualitative/categorical 质的 discrete 离散的 continuous 连续的 population parameters 母体参数 sample statistics 样本统计量 descriptive statistics 叙述统计学 i

发表于:2019-02-06 / 阅读(109) / 评论(0)

英文语法词汇

浅谈GRE作文怎样写句子

我原来曾经给我的一个同学改作文，发现她经常写一些让我感觉哭笑不得的句子。例如： At the first glance， the argument seems sound， but with a further look， I find it problematic. 前半句是忠实引用，后半

发表于:2019-02-09 / 阅读(102) / 评论(0)

GRE作文

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

-cephalic

a cow's tail

a three-box reversal criterion

air displacement pump

Alakol, Lake

alianza

angiotensin-converting enzyme