单词：3-bromopropyne
单词：3-bromopropyne 相关文章
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20本英文音韵童谣小书（文本+音频）
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英文魔法师字源大挪移
By Mike O'Sullivan 27 July 2007 United Nations Secretary-General Ban Ki-moon is on a two-day visit to California to discuss climate change and other global challenges. Mike O'Sullivan reports from San Francisco, the secretary-general says the United
2007年VOA标准英语（七月）
[00:17.36]Figure On The Proch [00:26.40]门廊鬼影 [00:36.51]Back in the early 1980s my aunt lived in a house [00:41.27]that was literally located in the middle of nowhere. [00:46.05]It used to really creep my younger brother and me out, [00:50.28]but
英语灵异故事
[00:17.23]Figure On The Proch [00:26.43]门廊鬼影 [00:35.14]I lay back down and tried to go back to sleep. [00:39.57]After I had lain there for about 5 minutes, [00:43.12]I started to hear a tapping sound. [00:45.77]I listened for a minute, [00:48.07]
英语灵异故事
今天要讲的三个习惯用语都是和零碎的小东西有关。他们之间的区别只是使用的场合不同，或者是来源不一，用法相近。现在我们就分别为各位讲解这三个习惯用语。他们是：odds and ends, knic
美国习惯用语
You know, I just wanna say one brief thing about something the previous speaker said. I didn't wanna spend too much time on that 'cause I don't think it's important enough. But one thing is worth considering. He's the -- He's the nominal head of an
名人演讲
Fire Regime 火 Fire was a creation of life -- born from oxygen and organic matter -- ignited by lightning. Thus fire has been a fundamental feature of the Earth for at least 400 million years. A scientist talks about fire -- today on Earth and Sky.
(科普英语)Earth and Sky
Fire Cycle 火灾规律 The El Nino phenomenon of 1997-98 unleashed torrential rain in some parts of the world, while creating abnormally dry conditions in others. And it sparked record numbers of wildfires. Learn more about climate and wildfire -- toda
(科普英语)Earth and Sky
Grammar Girl here. Today's topic is words that can get you into trouble. Guest-writer Bonnie Trenga writes: Once upon a time, some mistaken citizens stood up for American principals, p-r-i-n-c-i-p-a-l-s. Across the Atlantic, a nutty queen sat on her
英语语法 Grammar Girl
And now for Money Myths, a new feature from Michelle Singletary. She is Day to Days personal finance contributor, and a regular Tuesday guest. And as the title implies, Michelle will try to correct some financial myths we all may have. She spoke ear
2005年NPR美国国家公共电台
Larry到李华住的地方，去看她新领养的猫咪小雪球。今天李华会学到两个常用语：mental和pro. LL: Snowball is adorable! She's so little and fluffy! LH: 就是啊，我的猫咪
美国之音《流行美语》
By Peter Fedynsky Washington, D.C. 19 February 2007 watch Appropriations report On the same day that the U.S. House expressed its disapproval of sending more troops to Iraq, the White House asked lawmakers to approve additional money for Iraq's econ
2007年VOA标准英语（二月）
By Brian Wagner Miami 22 September 2009 A supporter of Honduras' ousted President Manuel Zelaya runs during clash with riot police in front of Brazil embassy in Tegucigalpa, 22 Sep 2009 Riot police in Honduras on Tuesday broke up marches by supporte
VOA标准英语2009年(九月)
Ethiopia will accomplish the construction at any cost whether donors continue funds or not. The giant Gibe III dam, now being built on the Omo River in southwestern Ethiopia is a boon for some, a problem for others. Supporters say it will provide ele
VOA标准英语2010年(九)月
Education Minister Christopher Pyne has denied he offered to help James Ashby in his sexual harassment claim against former Speaker Peter Slipper. Mr. Ashby has told 60 Minites that Mr. Pyne offered to find him a lawyer and assured him a job and warn
澳洲ABC新闻快递2014年
A number of Sydney school students could face jail for allegedly importing drugs into the country. Custom says international crime sydicates are offering teenagers sums of money to accept packages from China. Two students, aged 15 and 16, are facing
澳洲ABC新闻快递2013年
Future of 8000 Australian steel workers around Australia hangs in the balance this morning as administrators of Arrium hold urgent talks with politicians. Arrium owns more than 4 billion dollars. The Opposition leader Bill Shorton says a nationalisti
澳洲ABC新闻快递2016年
今天我们要学的词是pro-life。 Pro-life意思是反对妇女有堕胎的选择权。Pro-life的对立面是 pro-choice，支持妇女的堕胎权。美国总统奥巴马不久前在圣母大学发表毕业演讲。Hundreds of pro-life activis
英语每日一词
By Jeff Swicord Washington 03 November 2009 For decades, AIPAC (The American Israel Public Affairs Committee) has been the pro-Israel lobby in the United States, bolstered by a massive membership -it says 100,000 - among America's six million Jews.
VOA标准英语2009年(十一月)