单词：isocoumarin
单词：isocoumarin 相关文章
The UN refugee agency says it is worried about the security of people living in isolated villages near the former conflict zones of Georgia. It says some 2,300 people from villages in the buffer zone between the Georgian town of Gori and the breakaw
VOA标准英语2008年（八月）
Now, coumarin is a very common thing, a material, in fragrance which is derived from a bean that comes from South America. 香豆素是香水中一个十分平常的原料，从来自南美的豆子中提炼出来的。 And it is the classic syntheti
TED演讲教育篇
And every single part of this mechanism is actually plausible in biology. 实际上，这个机制的每一个步骤在生物领域中都是可行的。 In other words, I've taken off-the-shelf components, and I've made a spectroscope. 换句话讲，我
TED演讲教育篇
赞助商对FIFA腐败表关注但不撤广告 Today, when news of a sports scandal breaks, it becomes a problem for everyone involved, including corporate sponsors and advertisers. They can pay a heavy price for their actions or inaction. 今天，当
VOA双语新闻 2015年7月
Broadcast: Mar 27,2003 The first medals of the 2003 World Figure Skating Championships were awarded Wednesday night here in the nation's capital. Chinese skaters Shen Xue and Zhao Hongbo successfully
VOA2003（上）-体育专递
Silybin 水飞蓟宾 Silymarin 水飞蓟素 Silydianin 水飞蓟宁 Sinomenine 盐酸青藤碱 Sinoside 辛诺甙 Skimmianine 茵芋碱 Smiglanin 光叶菝葜甙 Smilagenin 异菝葜皂甙 Solanidine 茄
医务英语
RIO DE JANEIRO, March 18 (Xinhua) -- Retired soccer star Ronaldo on Sunday revealed his aspirations of entering the world of politics and becoming the next president of the Brazilian Confederation of Soccer (CBF). With the sudden and unexpected resig
英语新闻
By Carol Pearson Washington, DC 29 May 2006 watch Autism Gene report Researchers at the University of Texas Southwestern have been able to genetically change mice so their behavior is similar to some people with autism. The researchers hope their di
2006年VOA标准英语（五月）
DAVID GREENE, HOST: And it's David here with an invite. Come with me up a winding hill in LA to a house high above where the ocean meets the mountains. A woman is standing outside the gate. It's publicist Yvette Shearer. And she's with the man we are
2017年NPR美国国家公共电台3月
Hammered: Pounding Out The Excess In Mahler's Sixth Symphony play pause stop mute unmute max volume 00:0007:37repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plu
2016年NPR美国国家公共电台11月
RACHEL MARTIN, HOST: There was a gathering here in Washington, D.C. last week that had nothing to do with the inauguration or with politics. It was an occasion for matchmaking, although not a romantic kind. Here, farmers got set up with chefs in an e
2017年NPR美国国家公共电台1月
By Melinda Smith Baltimore, Maryland 05 September 2006 watch report Celiac Disease For thousands of years, human beings have suffered from a genetic disorder that has received attention only in the last few decades. The disorder is called celiac dis
2006年VOA标准英语（九月）
Science and Technology Pollution in the Himalayas Time to call the sweep? 科技 喜马拉雅山受到了污染 是时候呼吁清扫了吗？ Soot gets everywhere. Even into the world's highest mountains 到处都弥漫着烟灰，甚至蔓延到了世
经济学人科技系列
BEIJING, Oct. 8 (Xinhua) -- Czech third seed Tomas Berdych muscled out top seed Jo-Wilfried Tsonga of France here on Saturday to reach the final of the 2.1-million-U.S.-dollar China Open ATP tournament, while Poland's Agnieszka Radwanska saw off Ital
英语新闻
Lene Marin的声音属于那种很舒服很随意，表面平淡但内里蕴含着百转千回，令人百听不厌。 从那首著名的A Place Nearby开始，Lene的歌总在最不经意的地方给人惊喜。 Still Here Lene Marin I just can't he
好听的英文歌曲
Brazil unlikely to hire foreign coach, says CBF
英语新闻
小野丽莎 日本首席 Bossa Nova 女王，小野丽莎那充满阳光气息的轻快乐章，比起巴西当地歌手也丝毫不显逊色。因此不仅在日本，小野丽莎的音乐在全世界都受到肯定，不论是纽约或巴西的演唱会都有盛大的回响。甚至得到 Bossa Nova 之神 Antonio Carlos Jobim 的青睐，双方
音乐咖啡厅
Lene Marin的声音属于那种很舒服很随意，表面平淡但内里蕴含着百转千回，令人百听不厌。 新的一天开始了，告诉自己，今天是我的lucky day！ My Lucky Day Lene Marin Tell me what you saw that was so bad Tel
天籁音乐
Renewed fighting between Ukrainian government troops and rebels in the east has threatened to demolish what remains of a shaky cease fire reached in February. President Petro Poroshenko is warning of a possible large-scale offensive by the rebels fol
2015CRI中国国际广播电台