单词：vanadic
vanadium; specifically distinguished those compounds in which vanadium
has a relatively higher valence as contrasted with the vanadious
compounds; as, vanadic oxide.
单词：vanadic 相关文章
It cannot be denied that Van Gogh was a great artist. However, he was considered an outcast by other artists of his time. Many of his most famous paintings were painted at a time when he was isolated
赖世雄初级美国英语
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 ！
冀教版高中英语选修九
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！
单词解析速记
图片1 图片2 图片3 图片4 图片5 图片6 图片7 图片8 图片9 图片10 图片11
粉红猪小妹第三季
图片1 图片2 图片3 图片4 图片5 图片6 图片7 图片8 图片9 图片10
粉红猪小妹第三季
VOA Learning English presents Americas Presidents. Today we are talking about Martin Van Buren. He was sworn in as the eighth president of the United States in 1837. Van Buren had already been working for the White House for several years. He had bee
2017年VOA慢速英语(四)月
American writer and photographer Michael Benanav has traveled around the world studying the cultures of nomadic people. His work has taken him to places from Mali to Jordan to Mongolia. Benanav writes about people who are threatened, endangered or ch
2018年VOA慢速英语(六)月
Whigs See a Chance to Defeat President Van Buren - The Making of a Nation No. 50: Martin Van Buren Part 2 From VOA Learning English, welcome to the Making of a Nation, our weekly program of American history for people learning American English. Im St
2013年VOA慢速英语(十二)月
By Gilbert da Costa Abuja 31 October 2006 Sunday's plane crash in Nigeria has again stirred a debate on air safety in the West African country. The government is under pressure carry out radical reforms of the sector. The latest crash brings the dea
2006年VOA标准英语（十月）
By Michael Bowman Washington 26 February 2006 Iraqi father carries his injured son to a hospital in Baqouba, Iraq, February 26, 2006 A mortar attack in southern Baghdad has killed at least 15 people a
2006年VOA标准英语（二月）
THE MAKING OF A NATION #67 - Martin Van Buren, Part 2 By Frank Beardsley Broadcast: Thursday, June 17, 2004 (MUSIC) VOICE ONE: THE MAKING OF A NATION -- a program in Special English. (MUSIC) President
The Making of a Nation
Oprah: Iyanla Vanzant's Life Lessons Relationship expert Iyanla Vanzant shared valuable words of wisdom during her 20 Oprah Show appearances between 1998 and 1999. Look back at 10 lessons viewers took to heart. For almost two years, Iyanla helped Opr
阅读空间
MILAN, Jan. 25 (Xinhua) -- AC Milan announced on Tuesday that they have signed a six-month contract with Netherlands captain Mark van Bommel on a free transfer. The 34-year-old midfielder asked to be released from his contract at Bayern after being s
英语新闻
从社会公正的角度看，范琼斯Van Jones讲述了一个针对塑料污染的案例。他表明，因为塑料垃圾首先影响贫穷的人们和贫穷的国家，而且影响也最深，无论我们的居住地在哪,大家的收入水平如何
TED公开课:环境 重造计划
BRUSSELS, March 1 (Xinhua) -- Top leaders of the European Union (EU) on Thursday all agreed to extend the mandate of European Council President Herman Van Rompuy for another two and a half years during a summit in Brussels. As the only candidate for
英语新闻
ZEIST, The Netherlands, Nov. 9 (Xinhua) -- The 19-year-old Vitesse midfielder Marco van Ginkel received his first call-up for the Dutch national team for the friendly against Germany on November 14 in Amsterdam. Van Ginkel was included in a squad of
英语新闻
BEIJING, Dec. 25 (Xinhua) -- The Ministry of Education on Tuesday issued a circular urging school safety after a fatal school van crash in east China's Jiangxi Province that killed 11 kindergarten students on Monday. The ministry called on education
英语新闻
4 dead, 8 injured in van-truck accident in east China HEFEI, Oct. 26 (Xinhua) -- Four people have been killed and another eight injured after a van hit an oil tanker head-on in east China's Anhui Province on Friday, authorities said. The accident hap
英语新闻
THE HAGUE, July 6 (Xinhua) -- Louis van Gaal will be the new coach of the Dutch national team, the Dutch football association KNVB announced on Friday. Van Gaal succeeds Bert van Marwijk, who quit after a disappointing early exit at Euro 2012. He sig
英语新闻
THE HAGUE, June 27 (Xinhua) -- Bert van Marwijk has left his job as national team coach of the Netherlands, following the disappointing early departure at Euro 2012, the Dutch football association KNVB announced on Wednesday. After the exit Van Marwi
英语新闻