单词：sulfide (sulphide)-free environment
单词：sulfide (sulphide)-free environment 相关文章
7. Natural Yoghurt beats bad breath Sugarless yoghurt could help beat bad breath, tooth decay and gum disease, say scientists. Japanese researchers found eating the yoghurt reduced levels of hydrogen sulphide - a major cause of bad breath - in 80% of
听美文故事记6级单词
World Environment Day(世界环境日)World Environment Day (WED) was established by the UN General Assembly in 1972 to mark the opening of the Stockholm Conference on the Human Environment. Commemorated yearly on 5 June, WED is one of the principal
英美文化
Unit Eight WHAT CAN WE DO TO PROTECT OUR ENVIRONMENT? 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
冀教版高中英语选修十
Russia's Shrinking Free Media Environment 俄罗斯日渐萎缩的自由媒体环境 The Russian government continues to cut the Russian people off from independent voices and from media perspectives that differ from the states controlled narratives.
VOA标准英语2014年(五月)
2011 考研写作样句 9、For one thing, we should continue to promote and popularize the sense of environmental protection among the public. For another, more rules should be made and carried out by the government to restrain people from polluting
考研英语长难句讲解
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
081 environment Words (toxic)waste (ari)pollution environment recycling protect acid rain pollutants ecology radiation extinction damage desertification over-fishing rainforest destruction overpopulation ozone layer Unleaded petrol Phrases Create tox
情景英语口语100主题
So we have a lot of both formal and informal ways that we can create this environment. Probably the last thing that we do which has been very successful is weve created our own Internet for our scientists, so that they can go online and see what othe
世界500强CEO访谈
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
Broadcast: Mar 27, 2003 When Iraqi soldiers retreated from Kuwait during the first Gulf War in 1991, they set fire to 600 oil wells. Towering pillars of fire and columns of smoke vented from the wells
VOA2003（上）-健康之旅
Gravely ill, a man went to the doctor with his wife. After the examination the physician motioned for the wife to meet him in the hallway.
英汉幽默故事选读
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
World Press Freedom Declines Just one out of six people across the globe enjoyed a free press last year. Freedom House President David Kramer says the global decline in press freedom is a huge concern. A free press is critical to any country's democr
VOA标准英语2013年(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
ENVIRONMENT REPORT-May 3, 2002: Goldman Environmental Prize This is the VOA Special English ENVIRONMENT REPORT. Eight environmental activists from around the world have been awarded the Goldman Enviro
健康与环境
ENVIRONMENT REPORT – June 7, 2002: Tornadoes By Jill Moss This is the VOA Special English Environment Report. Every year in the United States people watch for dangerous windstorms called tornadoes.
健康与环境
BEIJING, Jan. 28 (Xinhua) -- China lacks quality environment assessment agencies, according to a government report issued on Monday. The Ministry of Environmental Protection (MEP) publicized a report after a three-year survey into the country's envir
英语新闻
保护环境主题演讲稿 Protect the Environment, Protect Ourselves Good afternoon, my honorable judges, ladies and gentlemen and fellow contestants: I feel so happy to have the chance to make a speech. The title of my speech is Protect the Enviro
英语小短文
Today marks the World Environment Day, an occasion promoted by the United Nations Environment Program or UNEP to increase awareness of the environmental problems affecting people's lives. The theme of this year's event is Eat. Think. Save, a campaign
世界各地新闻集锦