单词：water storage tissue
单词：water storage tissue 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
By Gary Garriott Broadcast: September 1, 2003 This is Sarah Long with the VOA Special English Development Report. People have always had to find ways to keep food safe to eat. Methods to dry, smoke an
VOA2003（下）-发展与科学
DEVELOPMENT REPORT – Canning Food By Gary Garriott Broadcast: Monday, January 03, 2005 I'm Gwen Outen with the VOA Special English Development Report. People have always had to find ways to keep foo
农业与发展
This is the VOA Special English Development Report. Before refrigerators, homes usually had ice boxes. But another way to keep food cool without the need for electricity is to use an evaporative cooler. This is easy to make and does not even use ice.
VOA慢速英语2007年（二）月
This is the VOA Special English Development Report. Indonesian women sell their harvest in a traditional floating market Before refrigerators were invented, the next best thing was an ice box. But another way to keep food fresh is to use an evaporat
VOA慢速英语2009年（十一）月
When humans have a heart attack, heart muscles die after being cut off from their blood supply. But what if the heart could grow new muscle to replace the dead tissue? Some amphibians can regrow body parts, even entire limbs. But humans and other hig
VOA标准英语2011年(三月)
Business 商业 Iberdrola: The energy-storage question Iberdrola：能源短缺问题 A trail-blazing utility that against full distributed energy. 一个风能先驱对电池持有怀疑的态度。 One of Ignacio Galan's early jobs as an engineer w
经济学人商业系列
First, listen to March 4th 2013 to hear about drought on farms this past summer. The Minister for Primary Industries, Nathan Guy said that in the long term the government wants to invest $400m in regional water irrigation. In the short term, the Budg
新西兰英语
Broadcast: May 12, 2003 By Jill Moss This is the VOA Special English Development Report. Each year, millions of people in Bangladesh drink ground water that has been polluted by naturally high levels
VOA2003（上）-社会广角
Last week, Apple told the world about its latest products at an event in California. The company presented three new iPhones, new Apple Watches, and a new Apple TV. The company is also making big changes to its stores. We will start with those. Apple
2017年VOA慢速英语(九)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
That's the sound of clean coal. Well, cleaner coal. A relatively small unit attached to the smokestack at the Mountaineer Power Plant in West Virginia is capturing some 1.5 percent of the carbon dioxide the coal-fired plant would otherwise belch into
Scientific American(十一)月
How to build an evaporative cooler. Also, how to prepare fruits and vegetables for cold storage. Transcript of radio broadcast: 08 June 2008 This is the VOA Special English Development Report. Before refrigerators, homes usually had ice boxes. But a
VOA慢速英语2008年（六）月
BARBARA KLEIN: This is SCIENCE IN THE NEWS in VOA Special English. I'm Barbara Klein. BOB DOUGHTY: And I'm Bob Doughty. Today, we will tell how technology could help doctors meet demand for transplant organs. We also will tell about a scientific effo
2010年VOA慢速英语(十)月
Scientists Regrow Tissue Killed During Heart Attack U.S. scientists have done what was once considered science fiction - regrown heart muscle to replace tissue that was killed off in a heart attack. It's the latest advance in the field of regenerativ
VOA标准英语2012年(二月)
Researchers have identified a link between dementia and the brain damage that can occur in older people with high blood pressure and other forms of cardiovascular disease. High blood pressure, high cholesterol, and other conditions that affect blood
VOA标准英语2010年(十一)月
Lesson Two 听力部分 Dictation: Please prepare your paper and pen. _____ to recall to the ____. ____________ after absorbing _______________, _______ the key ________ of the ________ in your ____. Don't _____ if ___'__ _________ some of it. Do ___
王强口语 第二册
At this time, an outbreak of novel H1N1 flu is occurring in the United States and internationally. While CDC is taking action to control the outbreak, communities, businesses, places of worship, schools, and individuals can also take steps to slow th
英语杂谈
Beating Heart Tissue from Stem Cells In a study in the journal Science, researchers explain how they used mouse embryonic stem cells and microchip technology to create heart muscle tissue that actually beats. Cynthia Graber reports One of the goals o
60秒科学
CCD 分辨率 CCD Pixels 影像分辨率 Image Size ISO 感光度 Sensitivity 镜头性能 Lens 数字变焦 Digital Zoom 自动对焦 Autofocus 手动对焦 Manualfocus 一般对焦范围 General Shooting Distance 近拍对焦范围 Macro Shooting D
实用英语