单词：ammonia purifier
单词：ammonia purifier 相关文章
A technology company has made a new device to help clean the air in our home. The company is called Dyson. It has just launched an air purifier called the Pure Cool Link. A spokesperson said the purifier captures up to 99.95 per cent of pollutants in
英语科技新闻
DEVELOPMENT REPORT - Aid Group Designs System to Make Dirty Water Safe to Drink By Jill Moss Broadcast: Monday, October 17, 2005 This is Steve Ember with the VOA Special English Development Report. Ea
农业与发展
Broadcast: May 5, 2003 By Jill Moss This is the VOA Special English Development Report. Each year more than two-million people die from diseases caused by drinking dirty water. That is the estimate of
VOA2003（上）-社会广角
Good morning, from the CNN center here in Atlanta. I am Melissa Long. Its a Tuesday, August 4th and heres a look at some of the stories making news at this hour. Iran is finally confirming that it has arrested three American travelers, three America
CNN2009年(八)月
情景对话： Han: Exciting news! I got the fishies a new house! I got it cheap. It was a foreclosure. 好消息，我给小鱼们买了新家，价格超便宜，因为这是被政府强制收回的房子。 知识点讲解： I got it cheap. 很便
每天三分钟学英语
This is the VOA Special English Agriculture Report. University of Delaware scientists say trees can reduce emissions of dust, ammonia and odor from poultry farms Planting trees around poultry farms can improve air and water quality -- and please the
VOA慢速英语2008年（九）月
This is the VOA Special English Agriculture Report. Planting trees around poultry farms can improve air and water quality -- and relations with neighbors. Research has shown that just three rows of trees near poultry houses can reduce the release of
VOA慢速英语2009年（九）月
With major pollution days becoming more frequent, students are staying home, often without supervision. Their parents say it would be better if their children were in the classroom, and that's why schools need to install air purifiers. Our school bou
2015CRI中国国际广播电台
KIEV, Aug. 6 (Xinhua) -- The death toll in a chemical plant explosion in eastern Ukraine's Donetsk region has risen to 5 after two of the wounded succumbed to injuries, the Ukrainian State Service for Emergencies said on Tuesday. The blast occurred a
英语新闻
China's General Administration of Quality Supervision, Inspection and Quarantine has pledged to keep 92 percent of the sample product quality above the state standards while reducing accidents of elevators and other mechanical devices. Improving the
英语新闻
Yesterday, 25-year old Shaun Quincey arrived in New Zealand after rowing across the Tasman Sea from west to east. It took him 54 days. About 200 people were waiting on 90 Mile beach to welcome him around midday. He left Australia more than seven week
新西兰英语
介绍: smog 雾霾 mask 口罩、面膜 A mask is an object normally worn on the face, typically for protection, disguise（伪装）, performance, or entertainment. gas mask 防毒面 oxygen mask 氧气面罩 air purifier /?pj?r?fa??r/ 空气净化器
英语俚语天天说
China's General Administration of Quality Supervision, Inspection and Quarantine has pledged to keep 92 percent of the sample product quality above the state standards while reducing accidents of elevators and other mechanical devices. Improving the
2016CRI中国国际广播电台