单词：methylene group
methylene group的用法和样例：
例句
- The carbide reacts with hydrogen on the surface to give a methylene.碳化物与氢在表面反应产生亚甲基。
- Kodak company describes open chain reactive methylene two-equivalent yellow-forming conplers.柯达叙述了一种直链的活性亚甲基两当量的黄成色剂。
单词：methylene group 相关文章
ANNOUNCER: Youre listening to The Reading Group from the BBC World Service. In this series we bring together listeners, students of English, literature teachers and other contributors from the world of books to share their enthusiasm for reading. We
英语讨论
The Reading Group Part 1 This programme was first broadcast in 2002. This is not an accurate word-for-word transcript of the programme. ANNOUNCER: Youre listening to The Reading Group from the BBC World Service. In this series we bring together liste
英语讨论
IN THE NEWS - East Asian Leaders Form New Group to Improve Area's Future By Nancy Steinbach Broadcast: Saturday, December 17, 2005 I'm Steve Ember with IN THE NEWS in VOA Special English. Two meetings
教育与新闻
DEVELOPMENT REPORT - U.S. Group Fights to Free Modern-Day Slaves By Jill Moss Broadcast: Monday, March 08, 2004 This is Robert Cohen with the VOA Special English Development Report. American officials
农业与发展
By Leta Hong Fincher Washington 13 August 2007 A study has found that women with breast cancer who take part in group psychotherapy do not live longer than those who do not -- contrary to a much-publicized study from 18 years ago. But the author of t
2007年VOA标准英语（八月）
By Arjun Kohli Nairobi 24 July 2007 Key members of Burundi's last rebel group have escaped into the bush before the completion of peace talks in the country's capital Bujumbura. Government officials say they see this move as a sign of aggression. For
2007年VOA标准英语（七月）
By Nick Wadhams Nairobi 27 August 2007 An Ethiopian human rights group is demanding that the United States and other international donors monitor the food and financial aid they give to Ethiopia for its impoverished Ogaden region. As Nick Wadhams rep
2007年VOA标准英语（八月）
By Michael Bowman Washington 27 May 2008 A private U.S.-based philanthropic group has announced it will spend more than half a billion dollars to fund groundbreaking medical research in a multitude of fields. From Washington, VOA's Michael Bowman rep
VOA标准英语2008年（五月）
DAVID GREENE, HOST: Families across the United States are fighting with the federal government over a deadly chemical. Dozens of people have died from inhaling methylene chloride. This is an ingredient in common paint removers. NPR's Rebecca Hersher
2018年NPR美国国家公共电台11月
啃老族指既没有上学也没有就业或接受职业技能培训，必须依靠父母养活的青年人。在英国英语中，NEET指啃老族的一员，NEET group指啃老族群体。NEET是Not Currently Engaged in Education, Employment or Tr
英文语法词汇
An international medical aid group says the number of people dying from malaria could be dramatically reduced by providing free testing and treatment. The group made the announcement based on three successful programs in Africa where most malaria de
VOA标准英语2008年（十月）
By Nick Wadhams Nairobi 18 September 2007 A Muslim human-rights group held a small demonstration in downtown Nairobi to protest what it said was the rendition of at least 117 people from Kenya to Ethiopia as part of the U.S.-led war on terror. Nick W
2007年VOA标准英语（九月）
By Nick Wadhams Nairobi 20 August 2007 Doctor's from the Ugandan peacekeeping force in Somalia examine a malnourished boy at their field hospital at the Halane Camp just south of Mogadishu The medical group Doctors Without Borders is reporting a dras
2007年VOA标准英语（八月）
Iberia Star win UEFA Cup Futsal Elite Group D qualifiers TBILISI, Oct. 14 (Xinhua) -- Iberia Star Tbilisi from hosts Georgia on Sunday overwhelmed a one-man-short SL Benfica of Portugal to win the Group D of the Elite qualification for the 2012-2013
英语新闻
RIO DE JANEIRO, April 4 (Xinhua) -- Fellipe Bastos scored two goals as Vasco de Gama defeated Alianza Lima 2-1 in their Copa Libertadores match at Lima's Alejandro Villanueva Stadium on Tuesday. The result lifts Vasco to the top of their group with 1
英语新闻
By Nick Wadhams Nairobi 10 December 2007 An Eritrean human rights group is accusing the governments of Sudan and Eritrea of working together to round up and deport Eritreans who have sought refuge from Eritrea's authoritarian government. Nick Wadhams
VOA常速英语2007年（十二月）
By Peta Thornycroft Southern Africa 11 October 2007 A group of 12 Zimbabwe women who say they regularly have been mistreated in police custody have produced an interim report they say documents shocking statistics of violence against members of their
2007年VOA常速英语（十月）
How to Motivate a Group I like to focus on receptive and expressive intelligence, which I call CQ. A healthy dose of CQ is essential when being in charge of a group or team because the task of motivating them often falls to you. This may seem unfair.
阅读空间
The head of the International Airways Volcano Watch group, Peter Lechner who lives in Wellington, said today that their group has been warning about volcanoes for the last 10 years or more. There are nine volcanic ash warning centres around the world
新西兰英语
CAIRO, Jan. 23 (Xinhua) -- Egyptian（埃及） Interior Minister Habib al- Adly said on Sunday that a Palestinian group linked to al-Qaida was behind the bombing of a church in Alexandria that killed more than 21 people on New Year's Eve. In a telev
英语新闻