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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Are your car bumpers riddled with scars from encounters with tight parking spaces? Did the furniture movers scratch your floor? Wouldn't it be great if t

发表于:2018-12-24 / 阅读(156) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Airplane manufacturers have been changing over from aluminum to advanced composite materials. These lighter, stronger composites are made of fibers of

发表于:2018-12-24 / 阅读(179) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because

发表于:2018-12-24 / 阅读(187) / 评论(0) 分类 Scientific American(三)月

Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c

发表于:2018-12-24 / 阅读(164) / 评论(0) 分类 Scientific American(一)月

托德和詹安娜在讨论学校生活 Todd: Hello! Jeanna: Hello! Todd: Hi, what's your name? Jeanna: Jeanna. Todd: OK, Jeanna, how old are you? Jeanna: I'm 15 years old. Todd: 15! OK, are you in high school? Jeanna: Yes, I am. Todd: OK. What do yo

发表于:2018-12-27 / 阅读(139) / 评论(0) 分类 英语口语练习册

Todd: Hello! Jeanna: Hello! Todd: Hi, what's your name? Jeanna: Jeanna. Todd: OK, Jeanna, how old are you? Jeanna: I'm 15 years old. Todd: 15! OK, are you in high school? Jeanna: Yes, I am. Todd: OK. What do you think about high school? Jeanna: It's

发表于:2019-01-02 / 阅读(183) / 评论(0) 分类 英语访谈对话

Lowering the Ceiling on Roof Energy Losses Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because traditional black asphalt roofs heat up in summer and s

发表于:2019-01-02 / 阅读(172) / 评论(0) 分类 60秒科学

客户户口 client account 客户身分规则【证监会】 Client Identity Rule【SFC】 客户服务器结构 client server architecture 客户协议书/合约 client's agreement 客户按金 clie

发表于:2019-01-03 / 阅读(170) / 评论(0) 分类 财会英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor

发表于:2019-01-08 / 阅读(228) / 评论(0) 分类 Scientific American(九)月

Patients undergoing coronary bypass surgery need implants of new, healthy blood vessels. So do those who receive repeated hemodialysis due to kidney failure. The best option is to use the patient's own veins or arteries, but thousands of patients don

发表于:2019-01-08 / 阅读(169) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(219) / 评论(0) 分类 Scientific American(四)月

Computers around the world are connected in an extensive communication system called the Internet. Transcript of radio broadcast: 17 June 2008 VOICE ONE: I'm Barbara Klein. VOICE TWO: And I'm Steve Ember with EXPLORATIONS in VOA Special English. Tod

发表于:2019-01-11 / 阅读(200) / 评论(0) 分类 VOA慢速英语2008年(六)月

Research Breakthrough for Biodegradable Tires? 研究人员研发完全可降解轮胎 Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas AM Universitys campus in the Gulf nation o

发表于:2019-01-12 / 阅读(130) / 评论(0) 分类 2016年VOA慢速英语(九)月

'Smart' Bandages Could Heal Wounds More Quickly 智能绷带有助更快治愈伤口 Simple bandages are usually seen as the first line of attack in healing small to moderate wounds and burns. But scientists say new synthetic materials with embedded

发表于:2019-01-14 / 阅读(247) / 评论(0) 分类 VOA标准英语2016年(二月)

The world this week 一周要闻 Business 商业 The prospect of an all-out trade war between America and China became real. 美国和中国之间爆发全面贸易战的可能性变成了现实。 Donald Trump said he would impose tariffs on $50bn o

发表于:2019-01-26 / 阅读(160) / 评论(0) 分类 经济学人要闻

Todd: Hello! Jeanna: Hello! Todd: Hi, what's your name? Jeanna: Jeanna. Todd: OK, Jeanna, how old are you? Jeanna: I'm 15 years old. Todd: 15! OK, are you in high school? Jeanna: Yes, I am. Todd: OK. What do you think about high school? Jeanna: It's

发表于:2019-02-02 / 阅读(144) / 评论(0) 分类 原版英语对话1000个

BEIJING, Aug. 19 (Xinhua) -- China's steel output growth slowed in July and prices of steel products have continued to drop, according to data from the National Development and Reform Commission (NDRC). Crude steel production gained 4.2 percent year

发表于:2019-02-06 / 阅读(180) / 评论(0) 分类 英语新闻

Chinese shares posted their biggest one-day fall in a month yesterday, with indices closing more than 6 per cent lower after a late sell-off. 中国股市昨天出现一个月来最大单日跌幅,在尾盘抛售之后,沪深股指收跌逾6%。

发表于:2019-02-06 / 阅读(191) / 评论(0) 分类 英语新闻

Chinese stocks carved out their biggest gain in two months amid speculation that A-shares could be included in MSCIs global benchmarks. 由于市场猜测A股可能会被纳入MSCI明晟的全球基准,中国股市今日出现两个月来最大幅度

发表于:2019-02-15 / 阅读(135) / 评论(0) 分类 阅读空间

窗帘名称 窗帘: curtain/window blind 蜂巢帘: honey comb blind 百褶帘: pleated blind 卷帘: roller blind 软百叶帘: venetian blind 柔丽丝帘: softness blind 香格里拉帘: Shangri-La blind 窗帘面料 窗帘布原料: raw material

发表于:2019-02-17 / 阅读(130) / 评论(0) 分类 实用英语
学英语单词
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Caballerials
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Cordia subcordata
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failure of blood to nourish the fetus
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