单词：purified protein derivative of tuberculin
单词：purified protein derivative of tuberculin 相关文章
First, there are those words ( with which we become familiar in ordinary conversation) , which we learn ， that is to say, from the members of our own family and from our friends, and which we should
自考英语（一）78讲
The new music was built out of materials already in existence: blues, rock'n'roll, folk music. But although the forms remained, something completely new and original was made out of these older elements - more original, perhaps, than even the new mus
双语有声阅读
This is the VOA Special English Economics Report. Early estimates show that the United States economy shrank by three-tenths of one percent from July through September. Economists had predicted a five-tenths drop. But Thursday's report from the Comm
VOA慢速英语2008（十）月
雅思听力场景词汇:化学词汇 在雅思听力考试场景中，化学相关的场景的词汇较为生涩，平时生活中可能也运用得比较少，以下的词汇供大家参考喔。 molecule 分子 particle 粒子 ion 离子 particle
雅思英语
Travel Tip: Place a binder clip on the blade of your razor to keep it from nicking any other clothes in your suitcase. 今天的旅行小贴士：把你的剃须刀的刀片用装订夹夹住，这样就能防止它刮伤你在行李箱的任何衣物。
这句英语怎么说
The New Music The new music was built out of materials already in existence: blues, rock'n'roll, folk music. But although the forms remained, something completely new and original was made out of thes
有声英文阅读
[00:03.81]bond fund :债券型基金 [00:05.87]closed-end fund :封闭型 [00:08.07]derivative :n.衍生商品 [00:09.95]equity fund :股票型基金 [00:11.96]fund manager :基金经理人 [00:13.99]futures :n.期货 [00:15.93]hedge fund :避险基金
商务英语分类核心1000词汇
Raj: I hate trains. 我讨厌火车。 -Sheldon: Don't be ridiculous, you love trains. ridiculous: 荒谬的，可笑的 少胡说八道，你喜欢火车的。 -Raj: Yes, I do. Come on. See you later, Leonard. 好吧，是的来吧，回头见，Leo
生活大爆炸第二季
第二节 性状 许多药品说明书的第一项是Description（性状），其原意是叙述、描写，在药品说明书及药典中一般都译为性状，其内容主要是介绍外观、理化性质、组成成分、结构、特征等。这一
医学英语
By Anjana Pasricha New Delhi 22 October 2006 Children infected with tuberculosis light candles at a march to mark World Tuberculosis Day in New Delhi, March 24, 2006 The World Health Organization says there has been considerable progress in the figh
2006年VOA标准英语（十月）
Synthetic Drug Problematic for US Authorities Augusta County, Virginia, is a rural county in the Blue Ridge Mountains, two and a half hours southwest of Washington. It has a big problem. Sheriff Randy Fisher says Augusta County was once known as the
VOA标准英语2012年(六月)
12The Lord said to Moses, 2Say to the Israelites: 'A woman who becomes pregnant and gives birth to a son will be ceremonially unclean for seven days, just as she is unclean during her monthly period. 3On the eighth day the boy is to be circumcised. 4
利未记
Science and Technology Prevention of cancer Wonder drug 科技 预防癌症 特效药 Aspirin continues to amaze 阿司匹林让人吃惊的另一面 FOR thousands of years aspirin has been humanity's wonder drug. 几千年来，阿司匹林就一直是
经济学人科技系列
SCIENCE REPORT – January 23, 2002: Aging Protein By Jerilyn Watson This is the VOA Special English Science Report. A new study suggests that a protein that protects animals from cancer early in life
科技之光
HEALTH REPORT-Heart Disease and C-Reactive Protein By Cynthia Kirk Broadcast: Wednesday, January 19, 2005 I'm Gwen Outen with the VOA Special English Health Report. American researchers have found evi
健康与经济
Low－salt，low－protein diet can prevent kidney stonesA diet low in salt and meat can dramatically reduce the risk of kidney stones，according to an Italian study that could spell the end for the low－calcium diet that doctors have been recommen
阅读空间
We're walking through the lands, 我们穿行在大街小巷 Pure souls and dreams ahead 带着年轻的灵魂和纯粹的梦想 Tell the world here we are 告诉世界我们在这 A thousand miles away 千万公里外的地方 We've traveled to, so
听歌学英语
By Mandy Clark London 17 March 2008 A World Health Organization report says the rate of tuberculosis infections is going down across the globe, but also notes that progress in the fight against the disease is too slow. VOA's Mandy Clark reports from
VOA标准英语2008年（三月）
The New Music 新音乐 The new music was built out of materials already in existence: blues, rocknroll, folk music. But although the forms remained, something completely new and original was made out of these older elements - more original, perhaps,
实用英语
Business 商业报道 Cotton exports 棉花出口 Knickers in a twist 印度颁布棉花禁令，世界市场反应强烈 India bans cotton exportsconfusing everyone, including its government. 印度禁止棉花出口，让所有人都很迷惑，政府
经济学人商业系列