单词：iron oxide purifier
单词：iron oxide 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
This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. In the spring of 1912 an iceberg in the Atlantic took down the Titanic. Now, some humble bacteria are trying to finish the job. Scientists analyzing rust f
Scientific American(十二)月
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
This Short Story The Iron Box is quite interesting to all the people. Enjoy reading this story. Mohan Das was the son of a rich businessman. When his father died, Mohan Das was left with an iron box with valuables in it. One day, Mohan Das had to go
英汉幽默故事选读
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
By Naomi Schwarz Northern Mauritania 17 October 2007 In arid Mauritania, where Sahara desert meets Sahel grasslands, a train stretching up to two and one half kilometers snakes along the northern border. Built to carry iron ore from mines in the nort
2007年VOA常速英语（十月）
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
I caught you crying Trying to hide your tears away And all the while I never knew you felt this way I've loved you from the start How could we let this come apart? We've got to put The sun back in our hearts Through the alleyways The avenues ans dre
音乐咖啡厅
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
China's iron ore manufacturers say they're struggling to keep their businesses afloat because of high costs and taxes while production is on the rise for the sector's global giants. Brazil's Vale SA is the world's largest iron ore producer and it say
cctv9英语新闻2015年
By CCTV reporter Ning Hong Efforts to reduce air pollution in China seem to be accelerating. In a coordinated action on Sunday, local authorities pulled down facilities in three cities in Hebei Province, a main center of iron and steel manufacturing.
CCTV9英语新闻2013年11月
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
Researchers from Xian Jiaotong University in Northwest Chinas Shaanxi Province have developed a way to eliminate air pollutants during the coal-burning process, which they hope would significantly address the countrys smog problems. 来自中国西北的
英语新闻
托福听力中细节题目庞杂，转折、对比、问答、强调、解释等等，整个听力过程中都需要高度戒备，以防掉入ETS挖的陷阱中去。本文就且集中探讨一下细节题中常见的一类：举例细节题。 首先
托福英语
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
电脑英语--常见硬件篇CPU：Central Processing Unit，中央处理单元，又叫中央处理器或微处理器，被喻为电脑的心脏。 RAM：Random Access Memory，随机存储器，即人们常说的内存。 ROM：Read－Only Memory，只
天天商务口语
The World Health Organization, upgrading a previous warning, said June 12 that diesel exhaust causes cancer and called for tighter emissions standards, comparing the risk of exhaust to second-hand cigarette smoke. Tuesdays announcement comes after in
英语新闻
18 The Bounding Main 第十八章 浩瀚的海洋 Imagine trying to live in a world dominated by dihydrogen oxide, 请你想像一下，你能不能生活在一个由一氧化二氢主宰的世界里。 a compound that has no taste or smell and is so
万物简史