单词：duracells
单词：duracells 相关文章
Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only withi
新东方背诵文选
SECTION 1： LISTENING TEST (30 minutes) Part A: Spot Dictation Directions: In this part of the test, you will hear a passage and read the same passage with blanks in it. Fill in each of the blanks wi
高级口译真题及答案
Evidence is seen for a possible cause of solid tumors, but many questions remain. Transcript of radio broadcast: 24 June 2008 This is the VOA Special English Health Report. Some experts predict that doctors will someday use stem cells to treat many
VOA慢速英语2008年（六）月
An international team of scientists at a U.S. university is investigating whether 'cooking' cancerous tumors using tiny nanoparticles in a magnetic field might be an effective and useful treatment. Preliminary findings suggest they may be on the righ
VOA标准英语2010年(十一)月
Long ago, before BandAids, or even medicine of any kind, our ancestors evolved to heal cuts themselves. If you got sliced open, the body blocked it up, to prevent blood loss, water loss, infection. But as we gained that powerwe sacrificed something e
2017年Scientific American(一)月
文本： Take this cabinet, for example, as a statementof wealth, it's the 18th-century equivalent of a Ferrari in your drive. Andthese decorations are made from pietra dura. In Italian, that means hardstone. It's one of George's favourites. And it'
跟着英剧练发音
Norm woke up to go to the bathroom. He looked in the bathroom mirror. That bump used to be smaller. It was on the side of his nose. The bump looked puffy. He touched it. It wasn't hard. It didn't hurt. It wasn't a different color. Maybe it was just s
原版英语小短文
英语短文：Cells and Temperature Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only within a narrow ra
英语小短文
By Al Pessin Pentagon 18 August 2006 U.S. Defense Department officials say American and Iraqi forces are making progress toward bringing security to Baghdad. But, the comments came amid surging sectarian violence and the day after statistics from th
2006年VOA标准英语（八月）
FAITH LAPIDUS: This is SCIENCE IN THE NEWS in VOA Special English. Im Faith Lapidus. CHRISTOPHER CRUISE: And Im Christopher Cruise. Today, we will tell about possible hope for children suffering from damage to their nervous system. We will also tell
2011年VOA慢速英语(二)月
'Serial Killer' Cells Demolish Leukemia Tumors U.S. researchers say they've been able to modify a patient's immune system T cells, turning them into serial killer cells which zero in on cancer and obliterate it. Its being called a breakthrough in the
VOA标准英语2011年(八月)
Volunteers Help Scientists in Search for Cheap Solar Cells Most of today's solar cells are silicone-based and their manufacture requires sophisticated machinery and expertise. An average home in the United States uses between 20 and 24 kilowatt hours
VOA标准英语2013年(七月)
LULU GARCIA-NAVARRO, HOST: I'm Lulu Garcia-Navarro in Mexico City, where an election is about to take place in a week. SUSAN DAVIS, HOST: Lulu, I spend so much time thinking about what's driving voters here in America. Tell me what is driving voters
2018年NPR美国国家公共电台6月
Australian researchers may have discovered a new way to treat hearing loss in infants. And the secret lies in the NOSE. Our reporter Li Dong has the details. Noses comes in all shapes and sizes, and Australian scientists are now trumpeting a new use
世界各地新闻集锦
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
> 39 脂肪中的茎细胞有助于治疗糖尿病 DATE=4-26-01 TITLE=SCIENCE REPORT- Stem Cells in Fat BYLINE=Nancy Steinbach (Start at 59
科技之光
HEALTH REPORT - Fetal Skin Cells May Treat Burns By Caty Weaver Broadcast: Wednesday, September 21, 2005 I'm Shep O'Neal with the VOA Special English Health Report. A method tested in Switzerland may
健康与经济
The Organization of American States and most governments in the world have condemned the ouster of Honduran President Manuel Zelaya by the military last Sunday as a coup d'etat. But the people who currently hold power in Honduras say they followed l
VOA标准英语2009年(七月)
Honduras leaders reject deadline 洪都拉斯领导人拒绝最后期限 The newly installed government in Honduras has rejected international calls to reinstate deposed （免职的） President Manuel Zelaya. The Organization of American States has given Honduras a
英语新闻
By Jim Stevenson Washington 08 October 2009 The U.S. men's national soccer team will have a chance to secure a place in the 2010 World Cup with a win against host Honduras, in San Pedro Sula on Saturday. The U.S. team will also have one last chance
VOA标准英语2009年(十月)