类钻碳膜

Diamond

Diamond “I love this woman!”----There’s a better way to do it, says the ad: Give her a diamond, or a 1) bunch of them, and she’ll love you back. Which makes me ask, “Why a diamond?” Why no

发表于:2018-11-28 / 阅读(169) / 评论(0)

疯狂英语2003年

Diamonds

Lesson Six Text A Diamonds Diamonds are rare, beautiful, and also quite useful. They are the hardest substance found in nature. That means a diamond can cut any other surface. And only another diamond

发表于:2018-12-01 / 阅读(107) / 评论(0)

自考英语（一）78讲

有声英文阅读-钻石

Diamonds 钻石 Diamonds are rare, beautiful, and also quite useful. They are the hardest substance found in nature. That means a diamond can cut any other surface. And only another diamond can make a

发表于:2018-12-05 / 阅读(67) / 评论(0)

有声英文阅读

双语有声阅读:Diamonds 钻石

Diamonds Diamonds are rare, beautiful, and also quite useful. They are the hardest substance found in nature. That means a diamond can cut any other surface. And only another diamond can make a slight cut in a diamond. Diamonds are made from carbon.

发表于:2018-12-07 / 阅读(60) / 评论(0)

双语有声阅读

VOA慢速英语2012 PEOPLE IN AMERICA - Mae West, 1893-1980: The Wild Woman of Film and Stage

PEOPLE IN AMERICA - Mae West, 1893-1980: The Wild Woman of Film and Stage VOICE ONE: I'm Barbara Klein. VOICE TWO: And I'm Steve Ember with People in America in VOA Special English. Today we tell about film actress Mae West. She was also a writer, pr

发表于:2018-12-16 / 阅读(71) / 评论(0)

2012年VOA慢速英语(十一)月

英国学生科学读本第4期:黑铅

Lesson 4 Black-lead 第四课黑铅 What is the black-lead in your pencil made of? If you take a bit of the metal which we call lead, you will find that it is grey in colour, very heavy, and not at all like the black-lead in your pencil. But the lea

发表于:2018-12-18 / 阅读(68) / 评论(0)

英国学生科学读本

SSS 2011-08-25

This is Scientific Americans 60-SecondScience. Im John Matson, got a minute? Say you need a diamond. You could go downto the jeweler, or you could put some carbon deep underground and let it sitfor a couple billion years. Or you could hop in a starsh

发表于:2018-12-24 / 阅读(61) / 评论(0)

Scientific American(八)月

【英语时差8,16】钻石能“永远”的秘密

Why Diamonds Really Are Forever Diamonds are forever they say, and this is why: diamonds are the hardest substance known to exist. Nothing would scratch or damage a diamond，While a diamond can scratch any other material on the earth. Everything is

发表于:2018-12-27 / 阅读(45) / 评论(0)

英语时差8，16

名人轶事:Mae West: The Wild Woman of Film and Stage

Mae West: The Wild Woman of Film and Stage Written by Dana Demange (THEME) VOICE ONE: Im Barbara Klein. VOICE TWO: And Im Steve Ember with People in America in VOA Special English. Today we tell about film actress Mae West. She was also a writer, pro

发表于:2019-01-02 / 阅读(107) / 评论(0)

名人轶事

SSS 2011-12-14

When it comes to sheer celestial bling, stars might not corner the market on twinkle, because beneath their rocky exteriors, some terrestrial planets may be half diamond. So said scientists at the fall meeting of the American Geophysical Union. The r

发表于:2019-01-08 / 阅读(88) / 评论(0)

Scientific American(十二)月

原版英语对话1000个:477 Horror Movies

Ruth: So Akane, is there anything that youre frightened of? Akane: Well Im, Im really scared of horror movies. I never watch them, cuz they really really frighten me. Ruth: Horror movies wow. Have your ever seen a horror movie? Akane: Well, um, when

发表于:2019-01-11 / 阅读(97) / 评论(0)

原版英语对话1000个

Carbon Neutral Al Gore

BBC Learning English Weekender Carbon Neutral Al Gore Callum:Hello, I'm Callum Robertson and this is Weekender. Al Gore was the vice president of the United States under Bill Clinton from 1993 to 2001. He very nearly became the President in a contro

发表于:2019-01-11 / 阅读(158) / 评论(0)

Weekender

VOA标准英语2010年-Film Festival Sounds Alarm on Environm

Showcase of 155 films offers fresh perspective on green, climate change issues Penelope Poulou | Washington, DC 26 March 2010 Photo: Esben Hardt/Ace Ace If global warming continues at the same rate as today, by the end of this century, the Arctic cou

发表于:2019-01-13 / 阅读(59) / 评论(0)

VOA标准英语2010年(三月)

英语听力：自然百科永恒的钻石（二）

The secret of the diamond lies in the carbon bond. Carbon is one of the most plentiful substances known to science. We find carbon in plants, animals and our bodies. Carbon everywhere. And yet diamonds are some of the rarest, most beautiful of all su

发表于:2019-01-22 / 阅读(60) / 评论(0)

自然百科2009年

英语访谈对话 476 Horror Movies

发表于:2019-01-30 / 阅读(57) / 评论(0)

英语访谈对话

VOA慢速英语20060423c

PEOPLE IN AMERICA - Mae West: The Wild Woman of Film and StageBy Dana Demange Broadcast: Sunday, April 23, 2006 (THEME) VOICE ONE: I'm Barbara Klein. VOICE TWO: And I'm Steve Ember with People in Amer

发表于:2019-01-30 / 阅读(177) / 评论(0)

2006年慢速英语（四）月

2006年VOA标准英语-Blood Diamonds: New Movie Dramatizes Trade in C

By Alan Silverman Hollywood 02 December 2006 Leonardo Dicaprio and Djimon Hounsou co-star in a politically charged action-drama set during the Sierra Leone civil war in the 1990's. Alan Silverman has a look at the new film Blood Diamond. Leonardo Di

发表于:2019-02-03 / 阅读(137) / 评论(0)

2006年VOA标准英语（十二月）

英语歌曲:送你一颗大钻戒 Chipmunk - Diamond Rings

送你一颗大钻戒 Chipmunk - Diamond Rings I ryhme ryhme, thats why I shine shine, and you can roll anyone of my shows, no lights in my bag no eye sight I gotta keep on ryhmin' man, so i keep on shinin man I aint gonna be a one hit wonder, I am f

发表于:2019-02-06 / 阅读(86) / 评论(0)

好听的英文歌曲

美国科学家发现新物质“比钻石还硬”

There is a new substance that is harder than diamond. It's called Q-carbon, and it was created by researchers at North Carolina State University. 北卡罗莱纳州立大学的研究人员研发出一种名为Q-碳的新物质，其硬度比钻石还高

发表于:2019-02-18 / 阅读(63) / 评论(0)

阅读空间

美研究人员研发出新物质,硬度比钻石还高

发表于:2019-02-19 / 阅读(124) / 评论(0)

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学英语单词

a cat fancy

alpha-superharmonic function

Arderone

balanced binary system