单词：tollalyl sulfide
单词：tollalyl sulfide 相关文章
Falling Asleep in the Cockpit Sign of Health Risks The U.S. government agency that regulates civil aviation in the United States, announced new rules this month to combat pilot fatigue. Some fatal crashes have been blamed on mistakes by tired pilots.
VOA标准英语2011年(十二月)
Surgeons Volunteer to Improve Liberian Health Care Although fighting ended in Liberia in 2003, the country remains on a long road to recovery from civil war. Poverty, a lack of development and little health care are among the challenges facing the go
VOA标准英语2012年(二月)
I couldn't get over this mess. The federal government is confirming what Joan Glickman of Pompano Beach, Florida suspected all along. Tainted drywall from China is giving off a harmful gas that's turning her air-conditioning wiring black, causing it
cnn2009年(十一)月
Mercury Fillings Seem Safer over Time A study in the journal Chemical Research in Toxicology finds that mercury on the surface of dental fillings slowly turns to an inert sulfide compound, which should keep the mercury from harming the nervous system
60秒科学
一个挪威的喜剧演员二人组，他们主持的脱口秀电视节目在挪威本地有不少忠实观众，而《狐狸叫》原本是他们为了宣传新一季节目开播而制作的宣传歌曲。这首歌犹如童谣的歌词注定了它的
英乐时空
From VOA Learning English, this is the Health Lifestyle report. Garlic is one of the most common cooking ingredients around the world. Many dishes in Europe, Africa, Asia and the Americas use this strong-flavored vegetable. Garlic is similar to other
2016年VOA慢速英语(十二)月
By Stefan Bos Budapest 23 November 2006 Poland says all 23 coal miners trapped after a gas explosion have died, making it the country's deadliest such accident in decades. The tragedy at the mine in Ruda Slaska, about 300 kilometers southwest of the
2006年VOA标准英语（十一月)
By Lisa McAdams Kiev, Ukraine 20 April 2006 VOA Correspondent Lisa McAdams at the prohibiton zone near the Chernobyl nuclear power plant A recent United Nations report about the world's worst nuclear
2006年VOA标准英语（四月）
By Lisa Schlein Geneva 24 May 2006 Kjell Magne Bondevik examining drought conditions in eastern, central and the Horn of Africa A senior U.N. official says there is still time to avert a catastrophe in the Horn of Africa where eight million drought
2006年VOA标准英语（五月）
Legacy of Suspicion, Betrayal Haunts Libya One of the defining characteristics of Libyan leader Moammar Gadhafi's era has been the crafty network of secret police and government informers. Decades of living with the fear of betrayal have taken their
VOA标准英语2011年(四月)
Asia Floods Take Heavy Toll on Local Economies Floodwaters in central Thailand have inundated industrial parks and manufacturing centers, adding to the mounting economic costs of the disaster. Cambodia, Vietnam and Laos are also continuing to tally t
VOA标准英语2011年(十月)
Gun Violence Inflicts Emotional Toll on Victims' Families Oliver Smiths son was a police officer, shot execution style by three men during a robbery. Hes meeting with the Maryland Crime Victims Resource Center to write his victim's impact statement f
VOA标准英语2013年(四月)
By Melinda Smith Washington, DC 18 May 2006 watch Gator Killings report Florida wildlife officials are warning residents to avoid areas where alligators are on the prowl. Three women have been killed
2006年VOA标准英语（五月）
Black Tongues and Stomach Aches Don: Oh, no, Ya?l, I think I'm having a medical emergency. Quick! Call an ambulance. Ya?l: A medical emergency, Don? Are you sure? You look fine to me! D: But I'm not. This morning, I had a terrible stomach ache. And n
英语听力文摘 English Digest
Sewage stinks. But bacteria can make it smell better. Oh, yeah? That's true. Certain forms of bacteria feasting on sewage give off hydrogen sulfide, a really malodorous chemical, and one of several that give sewage its pleasing smell. In general this
英语听力文摘 English Digest
Letter Attributed to al-Qaida Affiliate Cl aims Responsibility for Spanish Blasts Nick Simeone The death toll has risen to at least 190 after a series of bombs placed on rush hour trains in Madrid Thu
VOA2004（上）--各类新闻
By VOA News 11 December 2007 Al-Qaida's North African wing has claimed responsibility for two deadly car bomb blasts Tuesday outside U.N. offices and a government building in Algeria's capital. Algerian government officials say at least 26 people wer
VOA常速英语2007年（十二月）
BEIJING, Jan. 12 (Xinhua) -- Chinese drivers rushing home for family reunions during the upcoming Spring Festival will find it a pleasant journey this year as the country's highways will operate toll-free during the holiday. The Ministry of Transport
英语新闻
Billion People Suffer from Neglected Tropical Diseases A billion people around the world suffer from neglected tropical diseases, and the global health community is working to develop new drugs, vaccines and diagnostics. But experts note that success
VOA标准英语2011年(十一月)
BEIJING, Nov. 22 (Xinhua) -- In two-and-a-half months, Chinese people will celebrate the Spring Festival, China's most important traditional festival for family reunions and a time when most people make homebound trips. Chinese car-owners may find th
英语新闻