单词：subtraction of vectors
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people appear to born to compute. The numerical skills of children develop so early and so inexorably that it is easy to imagine an internal clock of mathematical maturity guiding their growth. Not long after learning to walk and talk, they can set t
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You Do the Math Hello and welcome to Words and Their Stories from VOA Learning English. On this program we explain how to use common expressions in American English. We also explore the origins of these expressions. Where do they come from? Today we
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Good Morning, at the CNN center here in Atlanta, I m Melissa Long, with a look at some of the stories that are happening Now In The News on this Wednesday morning. It's a big day for US automakers. Bankruptcy appears all but certain for General Moto
CNN2009年(五)月
When I was a kid I was top of the class in maths. I was really good at mental arithmetic and doing sums. Things were easy back then, It was all addition and subtraction, multiplication and division. I knew my times tables like the back of my hand. Th
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19.childrens numerical skills people appear to born to compute. The numerical skills of children develop so early and so inexorably that it is easy to imagine an internal clock of mathematical maturity guiding their growth. Not long after learning to
英语范文背诵20篇
I still tend to move my fingers, almost subconsciously, when doing arithmetic. Well, that might not be so strange, according to research published in the May 8th issue of the journal Science. The report says that math and movement through space use
60秒科学
This is Scientific Americans 60-second Science, Im Cynthia Graber. This will just take a minute. I still tend to move my fingers almost subconsciously when doing arithmetic. Well, that might be not so strange according to research published in the Ma
Scientific American(五)月
The Salinity of Ocean Waters If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause a change in oceanic s
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EDUCATION REPORT - After 40 Years, Calculators in School Still Add Up to Debate By Nancy Steinbach / Broadcast: Wed, 7 Nov 2007 16:00:00 UTC This is the VOA Special English Education Report. Can you do the math: What is one hundred times four, divid
VOA慢速英语2007年（十一）月
When I was a kid I was top of the class in maths. I was really good at mental arithmetic and doing sums. Things were easy back then, It was all addition and subtraction, multiplication and division. I knew my times tables like the back of my hand. Th
纯正英语一分钟
Say it with us: Kids today have it sooooo easy. A new smartphone app will do their math homework for them, provided it's not too complicated. PhotoMath by microblink uses a phone's camera to solve equations and then teaches you the step-by-step metho
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add v.(to)加,增加;补充说,又说 解析：addition n.加,加法;附加物 additional a.附加的 subtraction n.减法 division n.除法 multiplication n.乘法 数学plus 加 / minus 减 add up t
英文语法词汇
WASHINGTON, Jan. 28 (Xinhua) -- The U.S. economy expanded by an annual rate of 3.2 percent in the fourth quarter of 2010, partly boosted by personal consumption and exports, the Commerce Department（商务部） reported Friday. U.S. real gross dome
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Children's Numerical Skills People appear to be born to compute. The numerical skills of children develop so early and so inexorably that it is easy to imagine an internal clock of mathematical maturity guiding their growth. Not long after learning t
双语有声阅读
The Salinity of Ocean Waters If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause a change in oceanic s
双语有声阅读
New Words 新单词 concrete adj. 具体的 addition n. 加 subtraction n. 减 multiplication n. 乘 division n. 除 frequently adv. 频仍地 withdraw v. 掏出 formula n. 公式，程式 plus prep. 加 minus prep. 减 compound v. 合成 times n. 倍
实用英语
The ways successful people defeat procrastination. 成功人士战胜拖延的方法。 They give up. 他们会放弃 Just because you already poured hours into a project, doesn't mean you need to finish it. This is known as the sunk cost fallacy. Th
英语听力广播—Listening
We have severe vibration coming from the avionics ventilation fan. 461. 我们的电子通风风扇有严重抖振。 There are unusual noises coming from the avionics bay. 462. 电子设备舱有异常噪音。 Our FMS has malfunctioned. Request rad
飞行员英语900句
Request diversion to the nearest suitable airport due AC BUS failure. 501. 我们一个交流汇流条故障了，申请备降到最近合适机场。 We are not supplying power to our DC BUS. Request priority landing. 502. 我们不再为直流汇流条
飞行员英语900句