化铜压敏电阻

白领英语晨读-173　Al Gore at the 1994 Harvard University Commenceme

A Harvard commencement is a special occasion.How could anyone not have been thrilled by this morning's assembly？25,000people packed in the Harvard yard to celebrate one of the great occasions of life.I loved it all,and I love this great gathering a

发表于:2018-12-18 / 阅读(148) / 评论(0)

白领英语晨读

Additive Problems in Lime-preserved Eggs

A new round of food safety checks is underway in China after reports emerged suggesting a number of egg-processing plants have been using potentially-toxic copper sulphate to help pickle lime-preserved duck eggs. CRI's Li Dong has more details. Gener

发表于:2018-12-19 / 阅读(123) / 评论(0)

世界各地新闻集锦

英语口语大赢家Topic123:就诊Seeing A Dcotor

丹尼尔看医生时，医生说他患了流感，要打针。小孩好像都很怕打针，我们的丹尼尔呢，他也怕吗？往下看就知道了。 Listen Read Learn Doctor 3: What seems to be the problem, kid? Daniel: I've got a sore throat, a runny nose and a headache. Doctor 3: AhHow long

发表于:2018-12-26 / 阅读(162) / 评论(0)

英语口语大赢家

各国名人英文介绍-Oscar Pistorius

Oscar Pistorius is the South African Paralympic runner famous for trying to compete at the Olympics. He is known as Blade Runner because of the artificial limbs he uses to sprint. He is also dubbed the fastest man on no legs. Pistorius is the double

发表于:2019-01-01 / 阅读(180) / 评论(0)

各国名人英文介绍

知性英语－Acid rain 酸雨

How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t

发表于:2019-01-02 / 阅读(327) / 评论(0)

知性英语

SCIENCE REPORT - Blood Test For Ovarian Cancer

SCIENCE REPORT - February 28, 2002: Blood Test For Ovarian Cancer By Nancy Steinbach This is the VOA Special English Science Report. American medical researchers say they have developed a simple blood

发表于:2019-01-02 / 阅读(150) / 评论(0)

科技之光

Boyd Varty:我从曼德拉身上学会的事

「在神圣的荒野中，我们能看见自己最良善的特质」野生生态保育人士博伊德?瓦提(Boyd Varty)与我们分享动物、人类及两者相互关系的故事，也就是南非谚语Ubuntu所言：「是你成就了我」。博伊

发表于:2019-01-05 / 阅读(181) / 评论(0)

TED公开课:地球村

Yossi Vardi :对抗局部变暖

热爱恶搞的投资家Yossi Vardi针对写博客时的危险性发表了详尽的见解。尤其给男性们警醒。

发表于:2019-01-05 / 阅读(167) / 评论(0)

TED公开课:(不只是)男人经

2006年VOA标准英语-Treatment Gives Hope For Ovarian Cancer Pa

By Paige Kollock Washington, D.C. 18 January 2006 view Cancer report Medical experts say it is the biggest breakthrough in more than a decade in the fight against ovarian cancer, a rare but deadly for

发表于:2019-01-06 / 阅读(201) / 评论(0)

2006年VOA标准英语（一月）

Pistorius' bail ruling postponed again

PRETORIA, Feb. 20 (Xinhua) -- The second day of paralympian Oscar Pistorius' bail hearing ended on Wednesday without a court ruling on his application. Magistrate Desmond Nair ruled that Pistorius would remain in custody again at the Brooklyn police

发表于:2019-01-11 / 阅读(179) / 评论(0)

英语新闻

Pistorius' bail hearing postponed

PRETORIA, Feb. 19 (Xinhua) -- The Pretoria Magistrate Court on Tuesday postponed Paralympian Oscar Pistorius' bail hearing to Wednesday. Magistrate Desmond Nair ruled that the bail hearing be heard under Schedule 6 Offence of the Criminal Procedure A

发表于:2019-01-11 / 阅读(199) / 评论(0)

英语新闻

美国科学60秒 SSS 2013-07-15

It's boating season, which means it'll soon be time for that annoying ritual, the scraping of the barnacle. They latch on tight and don't let go. Barnacles can be a major pain. As they grow they build up calcium deposits under a boat's paint. And the

发表于:2019-01-20 / 阅读(132) / 评论(0)

Scientific American(七)月

Ancestor of Humans

57 这种动物是人类的祖先吗？ DATE=6-13-01 TITLE=SCIENCE REPORT - Ancestor of Humans BYLINE=Jill Moss (Start at 59

发表于:2019-01-30 / 阅读(197) / 评论(0)

科技之光

Estrogen and Ovarian Cancer

34 过多服用雌性激素有可能引发卵巢癌 DATE=4-12-01 TITLE=SCIENCE REPORT -Estrogen and Ovarian Cancer BYLINE=Mario Ritter (Start at 1'00

发表于:2019-01-30 / 阅读(164) / 评论(0)

科技之光

Varas the hero as Barca held at home

MADRID, Oct. 22 (Xinhua) -- Sevilla goalkeeper Javi Varas was the hero of the night as his side produced a stunning defensive display to earn a 0-0 draw against FC Barcelona in the Camp Nou stadium. Varas made a string of spectacular saves, including

发表于:2019-02-07 / 阅读(166) / 评论(0)

英语新闻

研究人员开发新技术应对雾霾

Researchers from Xian Jiaotong University in Northwest Chinas Shaanxi Province have developed a way to eliminate air pollutants during the coal-burning process, which they hope would significantly address the countrys smog problems. 来自中国西北的

发表于:2019-02-13 / 阅读(217) / 评论(0)

英语新闻

用电脑的人必看的商务英语-1

电脑英语--常见硬件篇CPU：Central Processing Unit，中央处理单元，又叫中央处理器或微处理器，被喻为电脑的心脏。 RAM：Random Access Memory，随机存储器，即人们常说的内存。 ROM：Read－Only Memory，只

发表于:2019-02-15 / 阅读(169) / 评论(0)

天天商务口语

WHO: Diesel Exhaust Causes Cancer

The World Health Organization, upgrading a previous warning, said June 12 that diesel exhaust causes cancer and called for tighter emissions standards, comparing the risk of exhaust to second-hand cigarette smoke. Tuesdays announcement comes after in

发表于:2019-02-17 / 阅读(154) / 评论(0)

英语新闻

英语听力文摘 English Digest 324、可乐的神奇清洁能力

The Cleaning Power of Soft Drinks! 饮料的神奇清洁能力 Lets begin with a cleaning tip: If you have some tarnished or corroded brass that you want to clean, an old brass candlestick for example, you can use Coca-Cola, or any other cola soft dr

发表于:2019-02-24 / 阅读(120) / 评论(0)

英语听力文摘 English Digest

万物简史第382期:浩瀚的海洋(1)

18 The Bounding Main 第十八章浩瀚的海洋 Imagine trying to live in a world dominated by dihydrogen oxide, 请你想像一下，你能不能生活在一个由一氧化二氢主宰的世界里。 a compound that has no taste or smell and is so

发表于:2019-02-25 / 阅读(192) / 评论(0)

万物简史

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Acanthocereus pentagonus

adrcnoxyl

Albert's diphtheria staining

brissaud-sicard syndrome

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