单词：4-bromo-1-hydroxy-2-acetonaphthone
单词：4-bromo-1-hydroxy-2-acetonaphthone 相关文章
INTRODUCTION TO ACT I Today on TUNING IN THE U.S.A., we are on a train going to Washington, D.C. Ellen Stewart is taking Alexandra Pappas to visit the nations Capital. They are, in many ways, like other tourists. They want to visit the Air and Space
欢乐美语
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20本英文音韵童谣小书（文本+音频）
今天要讲的三个习惯用语都是和零碎的小东西有关。他们之间的区别只是使用的场合不同，或者是来源不一，用法相近。现在我们就分别为各位讲解这三个习惯用语。他们是：odds and ends, knic
美国习惯用语
Grammar Girl here. Today's topic is words that can get you into trouble. Guest-writer Bonnie Trenga writes: Once upon a time, some mistaken citizens stood up for American principals, p-r-i-n-c-i-p-a-l-s. Across the Atlantic, a nutty queen sat on her
英语语法 Grammar Girl
Humulone 律草酮 Huperzine Serrate P.E 千层塔提取物 Hydroginkgolic acid 氢化白果酸 Hydroginkgolinic acid 氢化白果亚酸 p-Hydroxyacetophenone 对羟基苯乙酮 p-Hydroxybenzylalcohol
医务英语
By Doug Levine Washington 28 October 2006 Saxophonist Michael Lington became a fan of American jazz while growing up in his native Denmark. It was a passion so strong that he eventually settled down in the U.S. and launched a recording career. In a
2006年VOA标准英语（十月）
欣赏独具创意的英语广告！边听边看边学，品味世界名牌的风范，从细微之处感受英美社会的文化。
广告大餐
Hone one's skills 是提高技能的意思，前段时间重温了电影《珍珠港》，里面也有用到这个俚语。 例句： Owning my own computer gives me the chance to hone my computer skills. 有了自己的电脑，我的电脑技能就会
美国俚语
By Brian Padden Turin, Italy 21 February 2006 watch Turin Nighttime report Crowds in Piazza Castello can watch the nearby medal ceremonies on a giant screen At the Winter Games in Turin, Italy you don
2006年VOA标准英语（二月）
Researchers Say Malaria Drug Could Also Treat Cancer Scientists know that human cancer cells grow by getting energy from adjacent tumors, where cells have begun to self-destruct. The spread of cancer is accelerated by the death of these cells. This p
VOA标准英语2012年(三月)
Ethiopia will accomplish the construction at any cost whether donors continue funds or not. The giant Gibe III dam, now being built on the Omo River in southwestern Ethiopia is a boon for some, a problem for others. Supporters say it will provide ele
VOA标准英语2010年(九)月
Washington Insider Susan Rice Could Face Tough Nomination Battle Ambassador Rice has been a Washington insider practically since birth. She grew up in affluent Washington circles, the daughter of a governor of the Federal Reserve System. She distingu
VOA标准英语2012年(十二月)
In January 2015, a fire in one of Russia's largest university libraries damaged more than 1 million historical documents, an incident which some media described as a cultural Chernobyl. 2015年1月，俄罗斯最大的大学图书馆之一发生了火灾
英语新闻
今天我们要讲的习惯用语里有一个共同的词ace。打扑克的人都知道，最大的牌就是ace。有了ace，你就胜券在握，你轻易不会出ace，而是备而不用，要把好钢用在刀刃上。这样就产生了下面我们
美国习惯用语
1) head to head / toe to toe 直面对战 2) face to face 面对面 3) see eye to eye 意见相同
OMG美语
今天我们要学的词是hone。 Hone, 做为动词，是磨炼，提高技艺的意思。 The candidate paid the consulting company a pretty penny to hone his campaign slogan, 这个候选人花了一大笔钱给咨询公司，帮他斟酌推敲竞选
英语每日一词
今天我们要学的词是hone。 Hone, 做为动词，是磨炼，提高技艺的意思。 The candidate paid the consulting company a pretty penny to hone his campaign slogan, 这个候选人花了一大笔钱给咨询公司，帮他斟酌推敲竞选
英语单词荟萃
Hone Harawira will stay away from Parliament for the next two weeks and think about his future. The Maori Party met on Thursday and the leader, Whatarangi Winiata, suggested that Hone leave the Party. He should resign from Parliament or resign from t
新西兰英语
The result of the by-election in Te Tai Tokerau electorate yesterday was a win for Hone Harawira. Kelvin Davis, Labour, was second with 867 fewer votes than Hone. The Maori Party candidate was third. Hone says this is a win for the new Mana Party but
新西兰英语
The last few weeks have been difficult for the Maori Party. Hone Harawira has been the Maori Party MP for Te Tai Tokerau in the Far North of the North Island since the elections in 2005. However, he has not always agreed with the Maori Party and fina
新西兰英语