单词：aldehydic(carboxylic)acid
单词：aldehydic(carboxylic)acid 相关文章
Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J
(科普英语)Earth and Sky
IN THE NEWS - Arrest of Mladic Brings Serbia a Step Closer to EU This is IN THE NEWS in VOA Special English. This week, Serbia arrested one of Europe's most wanted men. Former Bosnian Serb general Ratko Mladic spent sixteen years in hiding. He is acc
2011年VOA慢速英语(五)月
This is the VOA Special English Health Report. 这里是美国之音慢速英语健康报道。 Israeli researchers say they have developed a substance that attracts and kills mosquitoes infected with the malaria parasite. However, the sweet smelling
2011年VOA慢速英语(二)月
How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t
知性英语
Little or no physical activity at work Today, more and more jobs are sedentary. Half the respondents in a recent European Union survey reported little or no physical activity at work. At least two thirds of adults in Western Europe are not sufficient
白领美丽英文诵典365
By Paul Sisco Washington, DC 02 June 2006 watch Hurricane Predictions Hurricane season in the Atlantic Ocean began June first. Alberto will be the first named Atlantic hurricane in 2006. Paul Sisco re
2006年VOA标准英语（六月）
歌曲 ： Keep On Moving 艺人 ： Starstylers Ft.Michy 音乐星级 ： ★★★★★ 所属专辑 ： 未知 发行年代 ： 2006 风格 ： Dance 介绍： 关于Starstylers Ft. Michy在网络上很难找到他们的信息，只知道他们好像是一个DJ组合，组合形式跟舞动精灵差不多，Keep On Movi
舞曲狂欢
Physical Activity Linked to School Achievement Pushing aside physical education to focus on academic subjects, such as math or reading, could have a negative impact on achievement, according to new reseach which finds physically-active students do be
VOA标准英语2012年(一月)
A: Nice to see you; how have you been feeling lately? B: I have been feeling great, Dr. Smith. A: I am happy that you have decided to come in for your annual physical. B: Yes, I am going on a cross-country bike ride on vacation and want to make sure
英语情景对话-健康
A: Hello, so how are we feeling today? B: Things are going well for me, Dr. Smith. A: Am I correct in thinking that you are here for your annual physical? B: Yes, I am applying for new health insurance, and I need a physical examination to qualify. A
英语情景对话-健康
A: Good morning, how are you doing today? B: I have been feeling pretty good, Dr. Smith. A: So, I can see by your chart that you are here for your annual physical. B: Yes, I am playing on the tennis team this year, and they are requiring me to get a
英语情景对话-健康
By Michael Drudge London 22 February 2006 A U.N. prosecutor says accused Bosnian war-crimes suspect Ratko Mladic remains at large in Serbia. The prosecutor, Carla del Ponte, spoke with reporters at Th
2006年VOA标准英语（二月）
By Alisha Ryu Nairobi 28 March 2007 The al-Qaida terrorist organization has issued a call for Islamic extremists around the world to come to the aid of Somalis fighting the country's Transitional Federal Government (TFG) and its chief backer in the r
2007年VOA标准英语（三月）
RareGadhafiFootageShowsLibyanDictator'sSofterSide Much of the world has seen the strong, loud and defiant side of the ousted Libyan leader. But there is another side, too. A family man with his granddaughter, recorded on home video found in Tripoli.
VOA标准英语2011年(九月)
By Birungi Machrine Kampala 26 November 2007 Attacks using acid are becoming more frequent in Uganda. Up to 2003, there were only 145 recorded attacks, but over the last three years, there have already been 87. Survivors often suffer from severe emot
VOA常速英语2007年（十一月）
今天Larry和李华在校园里闲逛，校园里到处都贴满了选举传单。今天李华会学到两个常用语：flip flop和wishy-washy. LL: Hey, Li Hua who do you support for class presiden
美国之音《流行美语》
BEIJING Jan. 10 (Xinhuanet) -- Keeping a healthy diet may help children with attention deficit hyperactivity disorder (ADHD) in their treatment, a new study revealed. The study was published Monday in the American medical journal Pediatrics. After an
英语新闻
By Barry Wood Belgrade 04 February 2008 Incumbent president of Serbia Boris Tadic won Sunday's presidential election, defeating by a narrow margin a pro-Russian nationalist candidate. VOA's Barry Wood reports from Belgrade. Boris Tadic (l), 03 Feb 20
VOA常速英语2008年（二月）
Broadcast on COAST TO COAST: July 10, 2003 AA: I'm Avi Arditti, Rosanne Skirble is away. This week on WORDMASTER -- a look at some of the ten-thousand new words and meanings in a popular American dictionary. Merriam-Webster's Collegiate Dictionary co
词汇大师(Wordmaster)
Bosnian Serb war crimes suspect Ratko Mladic plans to boycott a scheduled court appearance Monday at the U.N. war crimes tribunal in The Hague. A lawyer for Mladic said Sunday that the former Bosnian Serb military commander is refusing to appear beca
英语新闻