单词：constant resistance dc potentiometer
单词：constant resistance dc potentiometer 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)
Countdown to the Olympics,the Beijing Zoo introduces eight Olympic pandas that will be on display through this summer's games.Visitors waited in long lines to buy tickets to the renovated panda hall at the zoo where the animals will be held in a newl
万花筒2008年
[00:00.00]7 Dear Meg, [00:08.52]I have constant stomach problems. [00:11.48]What can I do to get better? [00:14.12]Frank [00:16.01]Dear Frank, [00:17.46]First of all, [00:18.65]you should see a doctor. [00:20.43]Don't eat junk food. [00:22.38]You sho
北师大版初中英语七年级下
Washington, D.C. has a complex relationship with graffiti and street art. Local street artist Gobi knows this well. Not long ago, a police officer caught him spraying colorful paint on the side of a building. Gobi did not get permission to put his de
2017年VOA慢速英语(七)月
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）
After a few days of teasers, here at last is the first official trailer for 'Justice League,' the DC Extended Universe's answer to 'The Avengers.' 在放送了几天片花后，《正义联盟》的首支官方预告片终于推出。《正义联盟》
英语新闻
The only constant is change The only constant is change, go The human heart is born without legs Sliding back and forth And never once does it truly rest Unless accompanied by death Sliding back and forth Even the strongest Remnants of history They h
英文摇滚歌曲
By Jessica Berman Washington 24 December 2006 A new study by the World Health Organization has found drug-resistant tuberculosis in virtually all of the 79 countries the organization surveyed around the world, with particularly high levels in countr
2006年VOA标准英语（十二月）
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)
DC Community Activists Work to Curb Youth Violence From street corner fights to school yard assaults, violence among young African-Americans is on the rise. While youth violence has decreased nationally since 2004, the Centers for Disease Control and
VOA标准英语2012年(六月)
Animals in many large livestock-raising operations around the world get a small but steady dose of certain antibiotics in their feed. Doctors around the world are finding it harder and harder to cure some infections. Bacteria are developing resistanc
VOA标准英语2010年(五)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)
As Assault On Mosul Looms, Resistance Grows And ISIS Grows More Brutal play pause stop mute unmute max volume 00:0003:43repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your
2016年NPR美国国家公共电台10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
By David McAlary Washington 10 January 2007 One of the main weapons to prevent mother-to-child transmission of the AIDS virus during birth is the drug nevirapine. But when nevirapine is used alone just once, HIV starts becoming resistant to it. Rese
2007年VOA标准英语（一月）
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
A teacher asked one of her pupils, What'sthe nation's capital?The reply was, Washington DCOn being asked what the DC stood for,the pupil added, Dot com!
趣味英语
Washington, D.C.'s cherry blossoms are so beautiful! 1) cherry blossoms 樱花 2) peak bloom 花盛开的时间 3) Washington's D.C.'s Centennial Cherry Blossom festival! 华盛顿樱花节百年纪念
OMG美语