变形压缩

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(179) / 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(178) / 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(111) / 评论(0)

英文名句短语

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(112) / 评论(0)

天天商务口语

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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(159) / 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(105) / 评论(0)

VOA标准英语2010年(七)月

VOA标准英语2009年-Erosion Wreaks Havoc in Southeastern Niger

By Gilbert da Costa Abuja 31 October 2009 Massive environmental degradation has been the subject of heightened concern across southeast Nigeria as the region continues to be plagued by an erosion crisis that has grown worse over the years. Driving a

发表于:2019-01-14 / 阅读(97) / 评论(0)

VOA标准英语2009年(十一月)

2007年VOA标准英语-Human Rights Watch Says Guantanamo Undermines U

By David Gollust State Department 06 March 2007 The head of the New York-based group Human Rights Watch says detention-without-trial and other practices in the war on terrorism have undermined U.S. credibility on human-rights issues. Human Rights Wat

发表于:2019-02-04 / 阅读(95) / 评论(0)

2007年VOA标准英语（三月）

时尚新宠：菠萝叶做成的皮革

Animal leather alternatives like Polyurethane and PVC leather may have solved the fashion industry's animal cruelty problem, but they are not the most environmentally friendly solutions. Pi?atex a new leather-like material made from pineapple leaves

发表于:2019-02-07 / 阅读(115) / 评论(0)

阅读空间

VOA常速英语2019--菠萝叶可制成靓丽服装质量不输皮革

A Spanish entrepreneur spent over eight years developing a new textile she calls Pinatex. Pinatex is a new textile material made from pineapple leaf fibers, which is the waste of the pineapple harvest. Carmen Hijosa, who founded the company Ananas An

发表于:2019-02-18 / 阅读(126) / 评论(0)

VOA标准英语2019年(一月)

VOA标准英语2010年-Nigerian Governor Re-Elected as Pressu

The incumbent governor-elect of Anambra State Peter Obi speaks on the result of gubernatorial election held in the state on 7 Feb 2010. The Anambra State gubernatorial election which is a prelude to next year's general elections was marred by irregul

发表于:2019-02-20 / 阅读(120) / 评论(0)

VOA标准英语2010年(二月)

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