单词：strontium dichromoate
单词：strontium dichromoate 相关文章
MARY LOUISE KELLY, HOST: Now more details about the shooting we mentioned at a newsroom in Annapolis, Md. This unfolded this afternoon at the Capital Gazette, a paper owned by The Baltimore Sun. We do not know how many people have been shot. We do no
2018年NPR美国国家公共电台6月
A MARTINEZ, HOST: Out in California where some conservatives are getting tired of feeling like outsiders. Their dream - to live among like-minded neighbors in Republican-leaning places. As NPR's Vanessa Romo reports, some are choosing Texas. VANESSA
2017年NPR美国国家公共电台8月
AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER: a big week for talkers and listeners. RS: This Thursday, millions of Americans will gather with family and friends to celebrate Thanksgiving -- or Turkey Day, as many call it. Tha
词汇大师(Wordmaster)
Day 45 Promotion or Detour Jobs are like roads,some have fast speed limits,others require a slower pace.Some have nice scenery,others offen drudgery.Some lead up to mountains,other slam into dead ends.It maybe easy to decide which jobs to take with t
白领美丽英文诵典365
D Dahurian Rhododendron Leaf P.E 满山红提取物 Daidzein 大豆甙元 Daidzin 大豆甙 Dandelion P.E 蒲公英提取物 Daphnetin 瑞香素 Daphnin 瑞香甙 Daucosterol 胡萝卜甙 Dauricine 蝙蝠
医务英语
By George Dwyer Washington 20 February 2007 watch Peacemaker Video Game Peacemaker is a game-simulation for Middle East peace A new video game was released in Washington, D.C. earlier this month. It challenges users to participate in creating soluti
2007年VOA标准英语（二月）
By Michael Bowman Washington 19 January 2006 A Washington-based public policy group is advocating an ambitious proposal for energy integration and cooperation in the Americas, with the ultimate goal o
2006年VOA标准英语（一月）
By Lisa Vohra Washington 27 March 2007 watch India Education Exchange Thousands of international students travel to the United States each year to attend college. But since the September 11th terrorist attacks in 2001, security concerns have made st
2007年VOA标准英语（三月）
By Carolyn Weaver New York City 25 April 2007 Nigerian writer Chimamanda Ngozi Adichie Chimamanda Ngozi Adichie's acclaimed second novel, Half of a Yellow Sun , tells the story of a devastating moment in Nigerian history, the short existence of the b
2007年VOA标准英语（四月）
ARI SHAPIRO, HOST: A giant, inflatable chicken which looked oddly like President Trump appeared outside the White House on Wednesday. It created a sensation and then disappeared. With her curiosity piqued, NPR's Vanessa Romo went to investigate. VANE
2017年NPR美国国家公共电台8月
DAVID GREENE, HOST: The city of Atlanta is under siege. Many of its online systems were crippled by hackers who were trying to extort tens of thousands of dollars from the city. Cybersecurity experts are warning that the threat to public services may
2018年NPR美国国家公共电台3月
MICHEL MARTIN, HOST: Last week's special congressional election in Montana got national attention for more than the issues. A journalist has called for police to investigate Republican Greg Gianforte for assaulting him, an encounter captured in a rec
2017年NPR美国国家公共电台5月
It first showed up in October 2011 on Kickstarter, the world's largest funding platform for creative projects. Then Romo quickly won people's hearts around the world. It's the world's first smart phone robot. An iPhone or an iTouch is his face and br
英闻天下
Soon after taking up his position, Davy began to bang out new elements one after anotherpotassium, sodium,magnesium, calcium, strontium, and aluminum or aluminium, depending on which branch of English you favor. 上任不久，戴维开始宣布发现一
万物简史
By Robert Berger Jerusalem 16 December 2007 An Israeli delegation is making an unscheduled visit to the United States amid disagreements over the recent American intelligence report on Iran. As Robert Berger reports from VOA's Jerusalem bureau, the v
VOA常速英语2007年（十二月）
By George Dwyer Washington, DC 05 December 2006 watch HIV AIDS Awareness report Friday December 1st was World AIDS Day -- a day set aside to publicize the challenges presented by that deadly disease. In the U.S., the rap artist Chris Bridges - bette
2006年VOA标准英语（十二月）
My boss asked me to come up with some holiday promotion ideas so that we can make inroads into the gift-buying market. For us to stay competitive, our company has to increase retail sales for this important sales cycle. My boss is expecting some inno
地道美语播客
By Michael Bowman White House 04 May 2006 President Bush says the United States remains committed to promoting justice and prosperity in Latin America, and is backing its words with actions and aid. M
2006年VOA标准英语（五月）
For the second straight day and less than a day after his first presidential news conference, President Barack Obama has traveled the United States, trying to build public support for his economic stimulus proposal. This time, he spoke and took ques
VOA标准英语2009年(二月)
对你而言，智能手机可能就像你的朋友。但是真正的朋友会时不时给你一个笑脸。在TED2013大会上 Keller Rinaudo 展示了 Romo，一种由智能手机控制的迷你机器人，可以陪着你散步，可以帮你在桌子
TED公开课:重释机器