锌钠硅玻璃;硅酸锌玻璃

口腔临床英语对话第6期:牙科手术(1)

Good morning Mrs. Hall. If none of your teeth are bothering you, I'll restore the tooth with the largest cavity. 霍尔太太，早安。假如你的牙齿不让你难受的话，那么我就把蛀的最厉害的牙补一补。 This is the tooth th

发表于:2018-12-03 / 阅读(156) / 评论(0)

口腔临床英语对话

美国科学60秒 SSS 2012-09-13

When Pyrex(公司名) cookware first came out, it was advertised as the ice box to oven, because itwas made of borosilicate glass which could weather large temperature changes without undergoing thermo-shock and shattering. But today, Americans Pyrex

发表于:2018-12-24 / 阅读(104) / 评论(0)

Scientific American(九)月

美国科学60秒 SSS 2012-09-12

This is scientific American sixty seconds science. I'm Christopher Intagliata. Got a minute? When Pyrex cookware first came out, it was advertised as icebox to oven. Because it was made of borosilicate glass which could weather large temperature chan

发表于:2018-12-24 / 阅读(98) / 评论(0)

Scientific American(九)月

英语沙龙:Fresh Richer-新贵

Fresh Richer A fresh richer is purchasing coffin in the store for the death．A person asks him：Which one is better？He says：Of course the zinc1)－filled is more durable2)，but the wooden is helpful to the health．新贵一个新贵在墓葬

发表于:2019-01-01 / 阅读(142) / 评论(0)

英语沙龙

Bring Me a Glass of Milk

At 2 a. m, Mrs. Culkin was convinced that she had heard a prowler in the living, room. Tiptoe down-stairs, she told her husband. Don' t turn on the lights. Sneak up him before he knows what's happeningDutifully Mr. Culkin put on his robe. Just as he

发表于:2019-01-07 / 阅读(155) / 评论(0)

趣味英语

投资者寻求避险:黄金、石油价格上涨

Gold, Oil Prices Up as Investors Seek Safe Haven 投资者寻求避险:黄金、石油价格上涨 NEW YORK The up-and-down prices of oil and gold mirror the unsettled world situation, and both reflect the economic squeeze most nations currently face

发表于:2019-01-14 / 阅读(131) / 评论(0)

VOA标准英语2016年(三月)

TED演讲:怎样选择适合你的防晒霜(1)

Sunscreen comes in many forms, each with its own impacts on your body and the environment. 防晒霜有很多种，每种对你的身体和环境影响各有不同。 With so many options, how do you choose which sunscreen is best for you? 有了这么

发表于:2019-01-17 / 阅读(154) / 评论(0)

TED演讲教育篇

TED演讲:可能存在生命的三颗卫星和一颗行星(4)

A few months ago the fairy tale came true. 几个月前，童话故事成真了！ We announced to the world that we know what these streaks are. It's liquid water. 我们向世界宣布，我们已经知道这些条纹是什么了。是液态水。

发表于:2019-01-18 / 阅读(134) / 评论(0)

TED演讲科学篇

TED演讲:可能存在生命的三颗卫星和一颗行星(5)

Cassini just a few months ago also flew through the plume, and it measured silicate particles. 卡西尼太空船几个月前又从这些飞溅的水流中穿过，它检测到了硅酸盐颗粒。 Where does the silica come from? 这些硅从哪来的

发表于:2019-01-18 / 阅读(143) / 评论(0)

TED演讲科学篇

经济学人133:塑料旧法新用

Science and Technology Plastics There and back again 科技塑料旧法新用 An old idea may help solve the problem of plastic waste 一个老方法也许可以帮助解决塑料垃圾的问题 PLASTICS were once regarded as wonder-materials. They

发表于:2019-01-26 / 阅读(131) / 评论(0)

经济学人科技系列

神探夏洛克第一季第二集_7

神探夏洛克第一季第二集_7 你知道这谁画的么我认得这颜料 Know the author? I recognise the paint. 像密歇根产的喷力强劲 It's like Michigan...hard-core propellant. 我猜含锌 I'd say zinc. 那个符号呢你认识么

发表于:2019-01-28 / 阅读(269) / 评论(0)

神探夏洛克第一季

SCIENCE IN THE NEWS - From A to Zinc: The Story of Vitamins

SCIENCE IN THE NEWS - From A to Zinc: The Story of Vitamins By Nancy Steinbach Broadcast: Tuesday, March 29, 2005 (MUSIC) VOICE ONE: I'm Bob Doughty with Phoebe Zimmermann, and this is the VOA Special

发表于:2019-01-30 / 阅读(164) / 评论(0)

科技之光

雅思阅读词汇：火山爆发(四)

manganese n. 锰（元素符号为Mn） mantle composition 覆盖物的成分 Mercury n. 水星 molten v. 溶化；adj. 熔铸的 monitor n. 监视器，监控 mudflow n.[地] 泥流 Neptune n. [天]海王

发表于:2019-02-02 / 阅读(195) / 评论(0)

英文语法词汇

Zinc Leads to Shorter, Milder Colds

Zinc supplements reduce the average cold by about a day and also make symptoms（症状） less severe, according to the latest findings. There's no cure for the common cold, but there's no shortage of ways to treat the symptoms. For a number of year

发表于:2019-02-05 / 阅读(128) / 评论(0)

英语新闻

Huge asteroid will pass closer to Earth than the moon

BEIJING, Nov. 7 (Xinhuanet) -- A huge asteroid will pass closer to Earth than the moon on Tuesday, but experts say there is no cause for alarm. Asteroid 2005 YU 55 will pass about 300-thousand kilometers from the earth. The giant space rock is about

发表于:2019-02-08 / 阅读(137) / 评论(0)

英语新闻

VOA标准英语10月-Snow Falling From Martian Atmosphere

The U.S. space agency NASA's Mars probe Phoenix has detected icy snow falling through the Martian atmosphere. The spacecraft has also discovered material in the planet's soil that is leading scientists a step closer in their conclusion that life pro

发表于:2019-02-08 / 阅读(131) / 评论(0)

VOA标准英语2008年（十月）

经济学人236:金属,自己愈合吧 Metal,heal thyself

Metal, heal thyself 金属，自己愈合吧 Materials science: Researchers have devised an ingenious way for the damaged surfaces of metals to repair themselves when they come to harm 材料科学：研究人员构想出了一种新颖独特的方法，

发表于:2019-02-17 / 阅读(146) / 评论(0)

经济学人综合

如何地道表达“冷死了”？

1. It's freezing/chillyout there! 外面冷死了! 2. It's a bit nippytoday, but I will still run my usual distance。虽然今天有点冷，但我还是会坚持和往常跑一样远的。 3. There is a real nip in the airtoday。今天寒气袭人

发表于:2019-02-17 / 阅读(118) / 评论(0)

英语口语

保持头发健康的最佳食物

It takes more than shampoo and conditioner to maintain the charm of shiny and manageable hair. See what you should eat to keep those tresses healthy, alluring and strong. 为了维持有光泽且易打理的头发，仅仅用洗发水和护发素是不

发表于:2019-02-17 / 阅读(194) / 评论(0)

阅读空间

历年考研英语的高频单词-Z

发表于:2019-02-18 / 阅读(140) / 评论(0)

考研英语

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词

167

absorption frequency band