阳极暗纹带(指马口铁的缺陷)

SSS 2009-04-06

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a

发表于:2019-01-08 / 阅读(78) / 评论(0)

Scientific American(四)月

SSS 2011-09-09

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Common batteries are electrochemical cells. And they may get better thanks to living cells: the multicellular organism called brown algae. Lithium ion

发表于:2019-01-08 / 阅读(81) / 评论(0)

Scientific American(九)月

Barca carry on stunning streak with 3-1 win over Malaga

MADRID, Jan. 13 (Xinhua) -- FC Barcelona's incredible start to the season as the Spanish BBVA Primera Liga season reached its halfway point. Goals from Leo Messi, Cesc Fabrigas and Thiago Alcantara set Barca on their way to a comfortable and convinci

发表于:2019-01-16 / 阅读(52) / 评论(0)

英语新闻

China continues gold streak in Olympic diving

LONDON, July 29 (Xinhua) -- Chinese teenage divers won the men's 10m platform synchro final on Monday, carrying on China's gold streak in diving competitions at the London Olympics. Cao Yuan and Zhang Yanquan, 16 and 17 respectively, resisted pressur

发表于:2019-01-16 / 阅读(47) / 评论(0)

英语新闻

每日一词【752】streak：接连不断的

今天我们要学的词是streak。 Streak, 接连不断的。Winning streak连赢；losing streak连输。费城棒球队的强击手瑞安.霍华德星期天因病缺席比赛。It ended his streak of games at 343, which was the longest in Major L

发表于:2019-01-16 / 阅读(72) / 评论(0)

英语每日一词

英语歌曲:直到我遇见你 The Sunstreak - Until I Met Y

直到我遇见你 The Sunstreak - Until I Met You Until I Met You The Sunstreak I once believed that there was no one for me, until I met you, But I couldnt see how happy I could be, until I met you, Until I met you, You Standing alone, no one to ca

发表于:2019-01-16 / 阅读(166) / 评论(0)

好听的英文歌曲

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-ries

a BM

abdominal circumference

asplenium laserpiti-ifolium lam.

balistrarias