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氘化碳, 氘烃

SSS 2008-08-29

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. This will just take a minute. Youve probably chased a fly or two around the house this summer. And, chances are, it took a few swings before you brought down the buzzing nuisance.

发表于:2018-12-02 / 阅读(192) / 评论(0)

Scientific American(八)月

[单词解析速记].JV454.(Refute.and.Recuperate)

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到听力原文收集区，您将会获得10到30积分的奖励! Thank you！

发表于:2018-12-04 / 阅读(122) / 评论(0)

单词解析速记

GOING TO GRADUATE SCHOOL

DIALOG 24 laurance--How's school going? soony--Just fine.I finally got the grant to go to graduate school. laurance--Great!Are you starting your doctorate? soony--That's right.I'm going to do it in bi

发表于:2018-12-26 / 阅读(177) / 评论(0)

英语经典听力对话

[单词解析速记].JV557.(Imperious.and.Salutation)

发表于:2018-12-30 / 阅读(135) / 评论(0)

单词解析速记

IN THE NEWS - Saudis Dispute Terror Critics

IN THE NEWS - December 7, 2002: Saudis Dispute Terror Critics By Jerilyn Watson This is Steve Ember with the VOA Special English program IN THE NEWS. This week, the government of Saudi Arabia announce

发表于:2019-01-02 / 阅读(182) / 评论(0)

教育与新闻

SSS 2009-08-12

Youve given some thought to oxygen, carbon, uranium. But youve probably never mused about the element ytterbium, symbol Yb. A new study by scientists at the National Institute of Standards and Technology, or NIST, says that ytterbium could find a rol

发表于:2019-01-08 / 阅读(156) / 评论(0)

Scientific American(八)月

VOA慢速英语2010年-Development Report - How Manute Bol Us

This is the VOA Special English Development Report. Manute Bol played ten years in the National Basketball Association. But he will be remembered as much for his shot-blocking in the NBA as for his charity work in Sudan. He died June nineteenth from

发表于:2019-01-11 / 阅读(204) / 评论(0)

2010年VOA慢速英语(七)月

Give us 15 Minutes A Day

Your boss has a bigger vocabulary than you have. That's one good reason why he's your boss. This discovery has been made in the word laboratories of the world. Not by theoretical English professors, but by practical, hard-headed scholars who have bee

发表于:2019-01-21 / 阅读(155) / 评论(0)

阅读空间

HEALTH REPORT - Lutein

HEALTH REPORT -June 12, 2002: Lutein By Nancy Steinbach (Picture -Laretta Geren) This is the VOA Special English Health Report. Recent research has suggested that a nutrient called lutein (LOO-teen) m

发表于:2019-01-30 / 阅读(159) / 评论(0)

健康与环境

Rio in Formula 1 bid

RIO DE JANEIRO, Nov. 10 (Xinhua) -- Rio de Janeiro mayor Eduardo Paes is reportedly preparing a bold proposal to bring Formula 1 to the Brazilian city. Paes is seeking talks with Formula 1 CEO Bernie Ecclestone about the prospect of making Rio Brazil

发表于:2019-02-05 / 阅读(208) / 评论(0)

英语新闻

Offering Substitute　提供代用品

Offering Substitute 提供代用品 Specimen Letters1. Offering Rayon in Place of Watered Silk提供人造丝代替水洗丝Dear Sirs,Thank you for your fax of yesterday (April 3) with your order No.456 for 5,000 metres of 100cm wide watered silk. We

发表于:2019-02-05 / 阅读(206) / 评论(0)

实用英语

Phelps rules out Rio Olympic comeback

RIO DE JANEIRO, March 11 (Xinhua) -- Legendary swimmer Michael Phelps has ruled out the possibility of competing at the Rio 2016 Olympics, saying he is happier in retirement. Speaking ahead of Monday night's Laureus World Sports Awards in Rio de Jane

发表于:2019-02-07 / 阅读(159) / 评论(0)

英语新闻

Rio mayor admits Olympic hotel concerns

RIO DE JANEIRO, Feb. 18 (Xinhua) -- Rio de Janeiro city mayor Eduardo Paes says preparations for the 2016 Olympic Games are on track despite lingering concerns about a lack of new hotels. Speaking on the opening day of a four-day meeting between Braz

发表于:2019-02-07 / 阅读(196) / 评论(0)

英语新闻

Nadal targets 2016 Rio Olympics

SAO PAULO, Feb. 12 (Xinhua) -- Former world No. 1 Rafael Nadal has revealed the Rio 2016 Olympic Games has provided him with motivation to continue his career beyond the age of 30. The 11-time grand slam winner is competing in both the singles and do

发表于:2019-02-07 / 阅读(127) / 评论(0)

英语新闻

Romario supports Ronaldo's run for president of CBF

RIO DE JANEIRO, March 23 (Xinhua) -- Brazil soccer legend Romario declared on Friday that he has no intention of running for the president of the Brazilian Confederation of Soccer (CBF). However, the now congressman endorsed Ronaldo to command the fu

发表于:2019-02-07 / 阅读(174) / 评论(0)

英语新闻

Rio more polluted than NY, Paris or London

RIO DE JANEIRO, Sept. 26 (Xinhua) -- Rio de Janeiro has the highest level of air pollution in Brazil, and is more polluted than many other world metropolis like New York, London and Paris, a World Health Organization (WHO) study said Monday. Accordin

发表于:2019-02-08 / 阅读(157) / 评论(0)

英语新闻

Son of Romario signs with Brazilian club

RIO DE JANEIRO, Dec. 7 (Xinhua) -- The son of former Brazil great Romario has signed his first professional contract with Brazilian third-tier side Brasiliense. Romarinho, 19, joined the Brasilia-based outfit on Thursday, less than 24 hours after qui

发表于:2019-02-08 / 阅读(180) / 评论(0)

英语新闻

Chinese young paddler Xu eyes on Rio Olympics

Chinese young paddler Xu eyes on Rio Olympics SUZHOU, East China, Aug. 24 (Xinhua) -- Just back home from London two weeks ago, one of China's most hopeful paddlers Xu Xin has set his eyes on the next Olympic Games in Rio four years later. Having sta

发表于:2019-02-18 / 阅读(148) / 评论(0)

英语新闻

Brazil judo seeks domination at Rio 2016

RIO DE JANEIRO, Aug. 3 (Xinhua) -- Days after claiming its first Olympic judo gold medal in 20 years, Brazil has set itself the bold task of being the most successful nation in the sport at the Rio 2016 Games. Sarah Menezes' victory over Romania's de

发表于:2019-02-18 / 阅读(203) / 评论(0)

英语新闻

CCTV9英语新闻：China's best events and Rio Olympic hopes

Here is a look at how China has performed at the most recent Olympics. China were second in the standings in London with 88 medals overall including 38 golds. That left them eight golds behind the United States, but leading hosts Great Britain by nin

发表于:2019-03-12 / 阅读(274) / 评论(0)

cctv9英语新闻2016年

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Abū Sa'īd

Advanced Micro Devices

allude

amylosin hyrdochloride

be ranked according to his merits

be set