压缩失真

用Mp3背六级单词045

maintenance inflict identification unemployment intensify decay idiom outbreak idleness beam overwhelming shipwreck graphite thrifty preset misfortune untie compression immortal weary roam transplant impartial vocal

发表于:2018-12-01 / 阅读(503) / 评论(0)

用Mp3背六级单词

60秒科学:新CPR,免去人工呼吸的尴尬

New data show that when bystanders without emergency medical training try CPR using only chest compression, the results can be better than if they also attempt mouth-to-mouth. Christopher Intagliata reports 看见身边有人突然倒了，想救人家

发表于:2018-12-07 / 阅读(472) / 评论(0)

60秒科学

机械类词汇大全-45

1849 、静摩擦 staticfriction 1850 、颈轴承 journalbearing 1851 、颈缩 necking 1852 、频带宽度 bandwidth 1853 、频率 frequency 1854 、头座 headstock 1855 、阈值；临界值

发表于:2018-12-08 / 阅读(429) / 评论(0)

英文名句短语

现代大学英语精读第四册 3c

glossary admittedly alliance ally approximate artifact balance of power battery belligerent commonsense cut-and-dried, deem denote be destined to diametrically disproportionate exhilarating factor foolproof garrison haberdasher the high seas immersed

发表于:2018-12-18 / 阅读(298) / 评论(0)

128 The Zombie Project

TED演讲：重新定义字典(9)

So, enough scientists in other disciplines are really asking people to help, and they're doing a good job of it. 足够多的科学家在其它领域正寻求大家帮忙，而且大伙也干的不错。 For instance, there's eBird, where amateur bir

发表于:2018-12-19 / 阅读(353) / 评论(0)

TED演讲教育篇

商务口语第67讲:制造工程(2)

1.Computer-Aided Manufacturing(CAM) 计算机辅助制造 A: Is CAM used in China? B: Yes，it has been uesd in China for almost twenty years. A：在中国有使用CAM的吗？ B：有啊，在中国使用已经将近20年了。 2.Hot working 热加工 A: What are the hot working proc

发表于:2018-12-26 / 阅读(486) / 评论(0)

天天商务口语

美语听力 English Café 499

Topics: Americans Abroad-The Confederados in Brazil; Chaco Canyon National Historical Park; speaking in tongues, folks, porridge, and just right; to ingratiate (oneself) with Words: civil war economy to have a tie to heritage archeologist engineering

发表于:2018-12-26 / 阅读(341) / 评论(0)

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国家地理-2008-06-23 Peru's Artifacts Returned 秘鲁古物回归祖国

Over a hundred artifacts from Pre-Inca and colonial times were returned to Peruvian authorities on Monday after being recovered from private collections in Germany and the US. Peru's Minister of Foreign Affairs handed over the ancient objects to the

发表于:2018-12-30 / 阅读(499) / 评论(0)

国家地理2008年

电信专业英英词典D-4

D type Channel Bank A D type channel bank is channel termination equipment used for combining (multiplexing) individual analog channel signals on a time division basis. D type channel banks provide in

发表于:2019-01-03 / 阅读(470) / 评论(0)

电信英语

VOA标准英语2010年-CPR Works Without Mouth-to-Mouth

Study finds chest compressions are the real life-saver Art Chimes | St. Louis, Missouri 29 July 2010 Cardiopulmonary resuscitation, or CPR, has been around in its modern form for about 50 years. Its rhythms of chest compressions and mouth-to-mouth br

发表于:2019-01-13 / 阅读(398) / 评论(0)

VOA标准英语2010年(七)月

美语听力 English Café 432

Topics: Presidential Libraries; The Legend of Sleepy Hollow; people versus peoples; officer versus official; to continue versus to carry on Words: term to donate to preserve estate endowment artifact legend ghost to descend prank saddle victim people

发表于:2019-01-22 / 阅读(291) / 评论(0)

美语听力 English Cafe

美语听力 English Cafe 378

Topics: Redshirting; Mesa Verde National Park; to wrap up; to bother versus to interrupt versus to disturb; blind spot Words: to redshirt to count toward kindergarten cutoff to hold back peer prevalence cliff dwelling outcropping cave artifact to wra

发表于:2019-02-15 / 阅读(270) / 评论(0)

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夏说英语新闻晨读第45期:埃及法老的胡子

本期内容： Egyptian prosecutors charged eight museum workers with the botched restoration of the burial mask of Tutankhamun. Having apparently broken the pharaohs beard through carelessness, the accused, including two museum directors, allegedly

发表于:2019-03-02 / 阅读(376) / 评论(0)

夏说英语新闻晨读

美语听力 English Cafe 232

Topics: The Godfather; Graceland and Elvis; to hinder versus to hamper versus to impede; the hunt is on; quick and dirty tips Words: godparent mafia bribery corruption brutal to legitimize stillborn sideburns the rest is history mansion recording stu

发表于:2019-03-05 / 阅读(546) / 评论(0)

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学英语单词

ac cusatively

actual life

adiantum meishanianum

auxiliary construction plant

balsamum cativo