声学互易定理

英语动画:大学速记宝典字母R 17

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发表于:2018-12-10 / 阅读(289) / 评论(0)

大学四级4000单词速记动画版

SSS 2009-05-21

This is Scientific American's 60-second Science. I'm Steve Mirsky. Got a minute? Can you name those notes? Probably not. Perhaps one in ten thousand speakers of European languages has perfect pitch - the ability to recognize a note without having hea

发表于:2018-12-24 / 阅读(138) / 评论(0)

Scientific American(五)月

SSS 2009-05-22

This is Scientific American's 60-second Science. I'm Karen Hopkin. If you ever got picked on in the schoolyard, you might have wished for some sort of superpower, like unbeatable speed or maybe just the ability to completely disappear. Now scientists

发表于:2018-12-24 / 阅读(132) / 评论(0)

Scientific American(五)月

60秒科学:Can Hybrid Cars Be Too Quiet?

Hybrid cars are good for the environment. But scientists say that they might be bad for pedestrians. Because hybrids are so quiet, it can be hard for walkers to hear them until its too late. Listen to this. [quiet car sound] Thats a Toyota Prius mov

发表于:2019-01-02 / 阅读(188) / 评论(0)

60秒科学

60秒科学:Weak Have Stronger Hearing

If you ever got picked on in the schoolyard, you might have wished for some sort of superpower: like unbeatable speed or maybe just the ability to completely disappear. Now scientists at the College of Wooster in Ohio say that you might have had a s

发表于:2019-01-02 / 阅读(193) / 评论(0)

60秒科学

数学英语 17 What Are Fractions?

图片1 图片2 by Jason Marshall Do you frequently find yourself at restaurants with friends fumbling to figure out how to split the bill and calculate the tip? Have you ever resorted to seeking advice from your smart phone? Dont worry, we all have.

发表于:2019-01-02 / 阅读(243) / 评论(0)

数学英语

SSS 2008-11-10

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Every year, scores of manatees are killed by boats in Floridas waters. Their plight is an ecological concern. And everyone from marine biologists to Marg

发表于:2019-01-08 / 阅读(133) / 评论(0)

Scientific American(十一)月

SSS 2009-05-13

This is Scientific American's 60-second Science. I'm Karen Hopkin. This will just take a minute. Hybrid cars are good for the environment, but scientists say that they might be bad for pedestrians. Because hybrids are so quiet that can be hard for wa

发表于:2019-01-08 / 阅读(140) / 评论(0)

Scientific American(五)月

SSS 2010-11-17

We humans are pretty good at communicating with sounds other than words. But how much of this is hard-wired, and how much do we pick up from others? To find out, researchers recorded the nonverbal sounds of people born deaf, as they responded to a ra

发表于:2019-01-08 / 阅读(179) / 评论(0)

Scientific American(十一)月

SSS 2010-08-09

Blue whales off the California coast make calls that, sped up 10 times, sound like (sound of two-part call). The original is a wall-rattling frequency too low for us to hear. Scientists analyzed around 2,500 of those calls, and found that the second

发表于:2019-01-08 / 阅读(120) / 评论(0)

Scientific American(八)月

Country Music Ladies Put Men in Their Place

Country Music Ladies Put Men in Their Place American country music lyrics often describe women as they might appear in mens dreams. This is especially true of songs by many male artists. But the songs by Maddie Marlow and Tae Dye are different. The t

发表于:2019-01-12 / 阅读(142) / 评论(0)

2015年VOA慢速英语(九)月

VOA标准英语2010年-NBA Players Inspire African Youths to

NBA legend Dikembe Mutombo of Congo coaches a young Special Olympics athlete during a Basketball Without Borders community event in Dakar, Senegal, 5 Aug 2010 The National Basketball Association's Basketball Without Borders Africa program this year b

发表于:2019-01-13 / 阅读(159) / 评论(0)

VOA标准英语2010年(八)月

TED演讲大人能从小孩身上学到什么(3)

Now, our inherent wisdom doesn't have to be insider's knowledge. Kids already do a lot of learning from adults, and we have a lot to share. 我们先天的智慧，堪比内行人的知识。小孩已经从大人身上学到许多，而我们也有很多

发表于:2019-01-21 / 阅读(131) / 评论(0)

TED演讲教育篇

学个词 Learn a Word-VOA英语教学 2996 reciprocal

今天我们要学的词是 reciprocal. Reciprocal 作为形容词，有互惠的意思。U.S. President Donald Trump emphasized in his Davos speech that the United States supports free trade, but it needs to be fair and reciprocal. 美国总统川普在

发表于:2019-01-26 / 阅读(129) / 评论(0)

英语单词荟萃

专业术语-财务英语词汇R6

reciprocal basis 互惠原则 reciprocal duty 互惠关税 reciprocity 互惠措施；互惠条件 recision of contract 撤销合约 recognizance 签保；担保 recognized clearing house 认可结算所

发表于:2019-02-01 / 阅读(130) / 评论(0)

财会英语

通知与确认 Acknowledgments & Confirmations

通知与确认 Acknowledgments Confirmations 通知对方接到来信Acknowledging receipt of letters1. Dear Mr/Ms,Thank you for your letter No. A-3 of 6th May, offeringus 6 UI-4 Viewdatas. We have passed it on to ourTechnical Department for their c

发表于:2019-02-06 / 阅读(167) / 评论(0)

实用英语

数学常用短语与从句

数学常用短语与从句 Phrases or clauses frequently used in mathematics 常见的涉及运算的短语或句子 1. Differentiate both sides of the equation and we get... Integrate both sides of the equation and we get... 2. Differentiating both sides of the equatio

发表于:2019-02-07 / 阅读(139) / 评论(0)

英文语法词汇

巧妙拒绝别人-探索互惠互利的可能性(5)

巧妙拒绝别人 Explore the possibility of a reciprocal favor 探索互惠互利的可能性 This will help the requester understand the impact of the request, and potentially reconsider. In other cases, you may actually get back more than you giv

发表于:2019-02-16 / 阅读(109) / 评论(0)

英语听力广播—Listening

强烈推荐考研高频词汇三-R/S

发表于:2019-02-25 / 阅读(155) / 评论(0)

考研英语

听播客学英语 272 废话

We have had some quite serious podcasts recently, so here for a change is some complete nonsense. Early in the morning in the middle of the night, Two dead boys got up to fight. Back to back they faced each other Drew their swords and shot each other

发表于:2019-03-01 / 阅读(189) / 评论(0)

听播客学英语

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