n. 含硫酸基最少的硫酸盐；低硫酸盐

国家地理-2008-03-20 Rho Ophiuchi Cloud 璀璨的星云

Rho Ophiuchi dark cloud is one of the closest star-forming regions to our own solar system. Located near the constellations Scorpius and Ophiuchus, the nebula is about 407 light years away from Earth. The infrared astronomical satellite, now celebra

发表于:2018-12-05 / 阅读(182) / 评论(0)

国家地理2008年

英语听力—环球英语 1437 The History of Money

Voice 1 Welcome to Spotlight. Im Katy Blake. Voice 2 And Im Christy VanArragon. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 Small, shiny shells. Roun

发表于:2018-12-19 / 阅读(113) / 评论(0)

环球英语 Spotlight

【突破英文词汇】prot, proto -- first 第一

1. protagonist /prəˈtgənɪst/ -- the leading(first) character in a play, novel or story Brutus is the protagonist in William Shakespeare's Julius Caesar and Antony is the antagonist. 布鲁特斯在威廉莎士比亚的《尤利乌斯凯撒》中是

发表于:2018-12-30 / 阅读(112) / 评论(0)

突破英文词汇

VOA慢速英语2018 科学家观测到巨大星系团的诞生

Scientists Observe Birth of Huge Galaxy Cluster For the first time ever, astronomers have observed the birth of a galaxy cluster, known as a protocluster. The event, billions of light-years away, could form one of the largest-known structures in toda

发表于:2019-01-03 / 阅读(119) / 评论(0)

2018年VOA慢速英语(五)月

专业术语—中草药成分英汉对照词汇P2

d-Pinoresinoldi-O-b-glucopyranoside 松脂酚双吡喃葡萄糖甙 d-Pinoresinol d-松脂素 Piperitone 胡椒酮 Plantaginin 车前甙 Platycodin A, C, D 桔梗皂甙A，C，D Podophyllotoxin 鬼臼毒

发表于:2019-01-03 / 阅读(194) / 评论(0)

医务英语

DEVELOPMENT REPORT - Maternal Deaths Study

DEVELOPMENT REPORT – July 22, 2002: Maternal Deaths Study By Jill Moss This is Bill White with the VOA Special English Development Report. Each year, more than five-hundred-thousand women in develop

发表于:2019-01-11 / 阅读(162) / 评论(0)

农业与发展

VOA常速英语2007年-Australia's New PM Signs Kyoto Protocol on Clim

By Phil Mercer Sydney 03 December 2007 Kevin Rudd has been sworn in as Australia's new Prime Minister with an agenda of action on climate change and the repeal of unpopular industrial laws. The new government has signed the Kyoto Protocol on climate

发表于:2019-01-25 / 阅读(130) / 评论(0)

VOA常速英语2007年（十二月）

万物简史第437期:小生物的世界(8)

In 2001, a team from Tel Aviv University argued that B. permians were almost identical to a strain of modern bacteria, Bacillus marismortui, found in the Dead Sea. 2001年，以色列特拉维夫大学的一个小组认为，二叠纪芽孢杆菌与一

发表于:2019-02-17 / 阅读(149) / 评论(0)

万物简史

【英语时差8，16】太阳为什么发光

What makes the sun shine? For a lot of folks, this is the kind of thing that doesn't even require explanation: it just does. But just being a commonplace phenomenon in no way explains it. Something must cause the sun to shine. And, in fact, there is

发表于:2019-02-23 / 阅读(157) / 评论(0)

英语时差8，16

中英双语新闻国演员艾伦·里克曼去世

The British actor Alan Rickman has died of cancer at the age of 69. In movies, he won fame for his role as Severus Snape in the Harry Potter series and before that in films such as Truly Madly Deeply, Love Actually, Die Hard, Sense and Sensibility an

发表于:2019-03-04 / 阅读(211) / 评论(0)

中英双语新闻

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

accountability systems