单词：drinking water ozone disinfector
单词：drinking water ozone disinfector 相关文章
Broadcast: August 4, 2003 This is Bill White with the VOA Special English Development Report. Safe drinking water has always been rare and valuable. Throughout the world, drinking water has to be stor
VOA2003（下）-发展与科学
CHAPTER ONE [00:44.25]READING [00:45.74]Page 2 and 3 [00:48.43]THE YOUNG GREEN CONSUMER GUIDE [00:51.51]Review by Tony Ma [00:54.62]This book says that our world is in danger [00:59.32]It is vital that we do something to save the earth [01:04.21]Firs
上海牛津初中英语九年级
In 2008 astronomers discovered surprising amounts of water molecules where planets were forming near young stars. But how, they wondered, could those molecules survive? They should have been destroyed by ultraviolet radiation. In theory, planetary du
Scientific American(十二)月
ESL Podcast 1183 Air and Water Pollution Julia: Stop poisoning us! Stop poisoning us! Robert: Why are you picketing in front of this factory? Julia: This factory is polluting our air and water. Theyre responsible for contaminating the environment wit
2016年ESL之日常生活
联合国环境规划署将每年的6月5日确定为世界环境日，希望通过世界环境日主题让人类认识到可持续发展和公平发展的重要性，最终使全人类拥有一个安全而繁荣的未来。 2006年世界环境日庆典
英文语法词汇
If you've been outside before a rainfall in the spring, you might have noticed a particularly fresh or sweet smell that seeps into the air a few minutes before the first drops begin to fall. If you're familiar with this smell, it's a great way to pre
英语时差8，16
Water Blankets Forming Planets A study in the journal Science finds much more molecular water in regions where planets are forming around young stars. The mechanism to keep the water from being destroyed by UV radiation appears to involve some of the
60秒科学
By Melinda Smith Washington 29 October 2007 The World Health Organization says two and a half billion people in developing countries do not have access to simple latrines, and for at least one billion of them, finding safe drinking water is a daily s
2007年VOA常速英语（十月）
DEVELOPMENT REPORT – January 7, 2002: Storing Drinking Water By Gary Garriott This is the VOA Special English Development Report. Safe drinking water has always been rare and valuable. Throughout th
农业与发展
298 mln more rural Chinese to have safe drinking water by 2015 BEIJING, Oct. 29 (Xinhua) -- About 298 million more rural residents in China are hopefully to have access to safe drinking water by 2015, according to a water resources official Monday. R
英语新闻
This is the VOA Special English Development Report. Food that has come in contact with floodwaters can sicken anyone who eats it. Water from floods may contain animal and human waste. It can also contain other pollutants like chemicals from agricultu
2010年VOA慢速英语(七)月
At the U.S. Conference of Mayors meeting last month, the mayor of Albuquerque, N.M., asked a provocative question: How would his citizens feel if the city bought thousands of ordinary writing pens the kind that cost about $1 each in most stores and
VOA标准英语2008年（七月）
BEIJING, June 27 (Xinhua) -- The number of people in China's rural areas who lack access to safe drinking water has reduced by 221 million from 2004 to 2010, the vice minister of the country's National Development and Reform Commission said on Wednes
英语新闻
BEIJING, Feb. 2 (Xinhuanet) -- The source of cadmium contamination in the Liujiang River had been blocked and tap water in Liuzhou is safe to drink, said environmental officials of the Guangxi Zhuang autonomous region on Wednesday. Tap water from Liu
英语新闻
How to Drink More Water (and Why You Should) Water is the driving force of all nature - Leonardo da Vinci Do you want a really simple way to improve your health and productivity? Heres a free and easy way to stay healthy and get more done which doesn
阅读空间
Bottled water, including mineral and purified water, has become part of our lives. But now there is a wide variety of conceptual bottled water on the market that is extremely expensive, such as glacier water and bamboo charcoal water. Almost all of t
世界各地新闻集锦
Bottled water, including mineral and purified water, has become part of our lives. But now there is a wide variety of conceptual bottled water on the market that is extremely expensive, such as glacier water and bamboo charcoal water. Almost all of t
世界各地新闻集锦
The temperature six miles up can be -70 degrees Fahrenheit, and you would need, or at least very much appreciate, supplementary oxygen. 10公里高空的温度会降至零下57摄氏度，你需要补充氧气，至少很希望这么做。 After you
万物简史
China is providing much needed water supply to Myanmar, which has been badly hit by drought. The Chinese embassy to Myanmar and local NGOs have organized delivery of a tank containing 33,000 liters of drinking water to southern Yangon, one of the mos
cctv9英语新闻2016年