单词：surface resistance of silver film
单词：surface resistance of silver film 相关文章
World Action Needed to Prevent Widespread Antibiotic Resistance Since the discovery of penicillin in 1928, we have used antibiotics against a host of infections. But now, doctors are finding that more and more bacteria are resistant to even the stron
VOA标准英语2015年(十二月)
Silver Bells silver bells, silver bells it's christmas time in the city ring-a-ling, hear them ring soon it will be christmas day city sidewalks, busy sidewalks dressed in holiday style in the air there's a feeling of christmas children laughing, peo
英文圣诞歌曲
Unit5 The silver screenListeningListen to the interview with Mr.Milkam Lamland and answer the following questions. --Today, on our programme about the history of morden theater and film, we'll interview Mr. Malcolm Lamland. He's a famous actor who pl
高中英语人教版第一册课本听力
Even as adults we still enjoy blowing bubbles, dont we? If youve ever wondered why blowing on a thin film of soapy water creates bubbles, this is your lucky day. All liquids have a property called surface tension. Take water, for example. Water molec
英语听力文摘 English Digest
JEFFREY BROWN:Next, we turn to a problem plaguing one in four children in the United States today: hunger. A film opening nationwide today profiles some of the hardest-hit. Ray Suarez has our conversation. RAY SUAREZ:It's a bitter paradox. The United
PBS访谈健康系列
在这次节目里我们要给大家讲两个习惯用语。一个跟银子，就是英文里的silver这个字有关。另一个是以铅，就是lead这个字为主。 我们现在来讲第一个。To be handed something on a silver platter. To be
美国习惯用语
今天我们要学的词是silver lining。 Silver lining, 是指不幸中的万幸。英语里有一种说法是， Every cloud has a silver lining, 朵朵乌云衬白底，意思是不幸中总会有值得欣慰的地方。 今年美国高中毕业生
英语单词荟萃
Ray J在美国可以称得上是顶尖的音乐制作人。这首《Sexy Can I》是被号称是Ray J职业里程碑的作品。这首歌的确是好听，不愁不流行，因为当今欧美乐坛中，什么流行这首歌就有什么。上脑如Ne-Yo的旋律，Ray J非常标准的RB男声，加上Young Berg没啥特色的Rap，是那种听了开
音乐咖啡厅
The spokesman for the Lord's Resistance Army says Congolese forces and U.N. peacekeepers in Congo Kinshasa are preparing to move against the rebel group, which has yet to sign a peace deal to end a 20-year reign-of-terror in the region. VOA Correspo
VOA标准英语2008年（九月）
This is Scientific Americans 60-Second Science. Im Gretchen Cuda Kroen. Got a minute? Nasty bacteria cling to the surfaces of countertops. They also stick to medical devices - like catheters - that are placed inside the human body, where they can bec
Scientific American(十一)月
Unit5 The silver screen Listening Listen to the interview with Mr.Milkam Lamland and answer the following questions. --Today, on our programme about the history of morden theater and film, we'll interview Mr. Malcolm Lamland. He's a famous actor who
高中英语听力人教版第一册
Antibiotics Breed Drug Resistance in Pigs Pigs given low doses of antibiotics had more E. coli in their guts, and that bacteria showed an increased resistance to antibiotics, according to new research. The study confirms the routine practice of feedi
VOA标准英语2012年(一月)
Vidushi Sinha | Washington, DC 18 May 2010 The World Health Organization calls antibiotic resistance one of the three greatest threats to human health. Experts fear antibiotic resistance puts humans in danger of becoming nearly defenseless against so
VOA标准英语2010年(五)月
Kenya: Misuse of Antibiotics Leading to Resistance by Immune System NAIROBI In Kenya, the rise of drug resistant bacteria could reverse the gains made by medical science over diseases that were once treatable. Kenyans could be at risk of fatalities a
VOA标准英语2015年(一月)
Artemisinin, also known as QingHaoSu in Chinese, was discovered by Chinese scientist Tu Youyou. She received the 2015 Nobel Prize for Physiology and Medicine for the drug's discovery by her team more than three decades ago. In her speech at the Karol
2015CRI中国国际广播电台
The Silverdocs film festival is widely regarded as one of the most important film festivals in the country. Each year, the festival offers independently-produced non-fiction films from around the world, attracting filmmakers and moviegoers alike. The
VOA标准英语2010年(七)月
爱的反抗力 Muse - Resistance Resistance Muse Is your secret safe tonight? And are we out of sight? Or will our world come tumbling down? Will they find our hiding place? Is this our last embrace? Or will the walls start caving in? (It could be w
好听的英文歌曲
LOS ANGELES, June 9 (Xinhua) -- Veteran Academy Award winning-actor Morgan Freeman was honored with the American Film Institute (AFI) Life Achievement Award on Thursday, capping a career which saw the actor garnering an Oscar, a Golden Globe and a Sc
英语新闻
On our last program, we learned how water bugs manage to stand on the surface of a pond: The pads of their feet resist contact with the water just like wax paper does. This allows the bug to rest on the thin film of surface tension that naturally cov
英语时差8，16