绝对角动量保守；绝对角动量守恆

CNN 2011-10-06

CNN Students News is getting started right now.Teachers,we want to remind you,it's always a good idea for you to preview our show. One report of today's program discussed a teen suicide and sexuality.That's story's coming up in a few minutes.I'm CA.L

发表于:2018-12-20 / 阅读(173) / 评论(0)

CNN2011年(十)月

SSS 2010-07-23

Heres what scientists think happened, oh, about a hundred million years ago. There was this three-star system. The three linked stars were strolling through the galaxy but got too close to the giant black hole at the center. The hole swallowed one of

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Scientific American(七)月

学个词Learn a Word 第371期 Momentum

今天我们要学的词是momentum。 Momentum, 是势头的意思。 To gather momentum, 势头大增，to lose momentum, 势头减弱。美国前阿肯色州州长赫卡比在爱奥华州的基层党团会议选举中排名第一。No other candid

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英语单词荟萃

TED演讲:书呆子教你如何在线学习(9)

And lastly, here's Destin, from Smarter Every Day, 最后是《每天聪明一点点》的德斯丁， talking about the conservation of angular momentum, and, since it's YouTube, cats: 为我们讲述动量守恒，由于是在YouTube上，所以他用

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TED演讲科技篇

BEP 172 – Meeting with a Vendor (Part 3)

This is the third of a three-part Business English Pod series on discussing a proposal with a vendor. Meeting with a vendor to discuss a proposal is partly about getting information and partly about negotiating a good deal. Your conversation is like

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商务英语会议解析

中药护肤品成年轻人新宠

TCM-based skin care products have been gaining momentum in the last few years as cosmetic brands and consumers alike discover their appeal and potential. 中药护肤品最近几年逐渐走红，美妆品牌和消费者均发现了它们的吸引力和

发表于:2019-01-03 / 阅读(142) / 评论(0)

趣味英语

英语新闻视频：你会管理自己的时间

It might not be your cup of tea, but adhering to a daily plan is the only sensibleway to accomplish goals. Try it -- you might like it. 这或许不符合你的风格，但是遵守每天的计划是完成目标唯一合理的方式。尝试一下，你

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英语新闻视频

SSS 2010-12-07

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Think about flying and you no doubt think about air--the wind in your face, the wind at your back, the wind beneath your wings. Now physicists note that li

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Scientific American(十二)月

AP 2009-12-09

1. The Environmental Protection Agency has taken a major step toward regulating greenhouse gases, saying they are threat to the public health. The news comes as the UN's biggest climate change conference is underway in Denmark. Organizers say this ma

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美联社新闻一分钟2009年(十二)月

AP 2009-12-14

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美联社新闻一分钟2009年(十二)月

每天小事-回馈(2)

Everyday routine 每天小事 Give back. 回馈 I am a lucky man. My family and I have everything we need and most of what we want. It is with a thankful heart that I accept the gifts provided. Every day my intent is to give back so I can express my

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英语听力广播—Listening

U.S wins world basketball championship

ISTANBUL, Sept. 12 (Xinhua) -- The United States defeated Turkey（土耳其） 81-64 in Sunday's final of the 2010 World Basketball Championships here. The U.S. took the lead early in the first quarter and held through for the entir match. Kevin Dur

发表于:2019-01-31 / 阅读(200) / 评论(0)

英语新闻

2014最新考研英语作文预测：谦虚

Topic：Modesty 谦虚的意义 The cartoon aims at informing us of the significance of modesty. Definitely, no once can deny the importance of it. Modesty can inspire people to achieve greater success. Those who are modest will never be content with

发表于:2019-02-01 / 阅读(148) / 评论(0)

考研英语

2014考研英语临考作文预测：谦虚必不可少

Modesty The cartoon aims at informing us of the significance of modesty. Definitely, no once can deny the importance of it. Modesty can inspire people to achieve greater success. Those who are modest will never be content with their current achieveme

发表于:2019-02-01 / 阅读(162) / 评论(0)

考研英语

Vettel wins South Korean Grand Prix

Vettel wins South Korean Grand Prix SEOUL, Oct. 14 (Xinhua) -- Red Bull's Sebastian Vettel won the South Korean Grand Prix in Yeongam on Sunday to leapfrog Ferrari's Fernando Alonso in the Formula One championship driver's standings. Vettel's 25th ca

发表于:2019-02-03 / 阅读(184) / 评论(0)

英语新闻

每日一词【371】momentum：势头

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英语每日一词

New Report Finds World's Developed Economies Strengthening

A new report says the world's developed economies appear headed for stronger growth in the coming months, with China advancing as well. The Paris-based Organization for Economic Cooperation and Development said Tuesday that its gauge of future econom

发表于:2019-02-18 / 阅读(151) / 评论(0)

英语新闻

CCTV9英语新闻：李克强中非合作路线图

Chinese Premier Li Keqiang says relations between China and Africa have entered a golden period. He was quoted by African press before leaving Beijing Sunday to begin his week-long visit to the continent. Li said both China and Africa have benefited

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CCTV9英语新闻2014年05月

奥巴马呼吁国会推进移民改革

奥巴马呼吁国会推进移民改革 WASHINGTON, Oct. 24 (Xinhua) -- U.S. President Barack Obama on Thursday called on U.S. Congress to move forward the immigration reform this year, after the once hot-button issue has been overshadowed for months

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英语新闻

Britain to Grant Scotland Independence Vote

Britain has set out conditions under which Scotland can decide whether to sever centuries-old constitutional ties with Britain. The British government said Tuesday it will remove legal hurdles so Scots can hold a referendum on gaining independence fr

发表于:2019-02-18 / 阅读(163) / 评论(0)

英语新闻

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学英语单词

address spaces

antihyperbolic function