单词：mass per unit length
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glad both wish card art luck good luck talk give a talk difficult suggest should about choose for example fore fore name given given name important course of course have about hold hold a meeting ground play ground race one hundred metre race fast wi
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by Jason Marshall In the last article, Is Multiplication Repeated Addition? we talked about what it really means to multiply two numbers. We found that the conventional meaning of multiplicationrepeated additionbreaks down when multiplying fractions,
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by Jason Marshall The last article about how to use math to send encrypted messages ended with a bit of a cliffhanger. The good news is that you will soon find out how the story ends. But, as I warned last time, the bad news is that that isnt going t
数学英语
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|1solitary|a. |tending to spend a lot of time alone |独自的；喜欢独处的 | | | |a solitary traveler |一位孤独的旅行者 | | | |A solitary tree remained standing after the hurricane. |飓风过后，惟有一棵树孤独地挺立在那儿。
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unit 110 收到礼物致谢 dialogue 英语情景对话 A:Mr. Mass, here is a gift for you. A:马斯先生，这件礼物送给你。 B:Oh. Thanks a million. B:哦，万分感谢。 A:It's a souvenir I bought for you from Rome. A:这是我从罗马为你
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The massive earthquake that struck Chile in February 2010 might have shortened Earth's day by 1.26 microseconds, according to calculations by a NASA scientist. An EarthSky Facebook friend asked us how. And the answer is for the day to get shorter, Ea
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[00:03.31]Unit 9 Wheels Culture Corner [00:06.46]America on the wheel [00:09.00]Although the motor car was invented in 1889 [00:12.43]by a German man called Gottlieb Daimler, [00:15.48]it was an American man called Henry Ford [00:18.57]who created th
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Task3: Changing Your Hairstyle to Improve Your Appearance Script If you want to look better, changing your hairstyle can be a simple fix. If youre trying to reach a weight-loss goal, a new hairstyle is a quick and easy way to freshen up your looksand
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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 arm [ B:m ] He received a call to arms
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Stay Thin By Sleeping More A study published Monday found that people who sleep less tend to be fat, and experts said it's time find if more sleep will fight obesity. We've put so much emphasis on diet and exercise that we've failed to recognize the
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[00:02.17]Unit 20 New Frontiers Culture Corner [00:06.79]Ancient Chinese Inventions [00:09.71]Paper making [00:11.18]The ancient Chinese invented [00:13.43]and were using paper about 2000 years ago. [00:17.36]Early paper in China was made [00:19.20]f
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Up in arms At arm's length 在美国人讲话时，或从书刊报纸上，你经常可以听到或见到一些由手臂，就是英文里的arms这个字组成的成语或俗语。有些习惯用语从
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By Barbara Schoetzau New York 20 April 2008 Pope Benedict XVI ended his six-day visit to the United States with a jubilant mass at the 57,000-seat Yankee Stadium. From VOA's New York Bureau, correspondent Barbara Schoetzau reports the leader of the w
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Japans devastating 8.9-magnitude earthquake last Friday was so powerful that experts say it slightly increased the Earths rotation（旋转） speed, making the day a fraction of a second shorter. U.S. space agency scientist Richard Gross said the qu
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[00:39.12]height 高度 [00:43.33]length 长度 [00:47.42]mathematician 数学家 [00:52.35]be required to do something 被要求做某事 [00:58.34]measuring tape 卷尺 [01:04.45]A team of mathematicians were required [01:06.76]to measure the heigh
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