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SSS 2011-03-30

时间:2011-04-27 05:46来源:互联网 提供网友:geologyforget   字体: [ ]
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    (单词翻译:双击或拖选)

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute.

2011 is the International Year of Chemistry. So scientists at the national meeting of the American Chemical Society in Anaheim raised a glass. (Or a beaker.) And they celebrated1 as only chemists can—by carefully analyzing2 its contents.

The drink they dissected3 was the Bloody4 Mary, perhaps the world's most chemically complex cocktail5. A mix of tomato juice and vodka, along with lemon or lime, horseradish, Tabasco and Worcestershire sauces, black pepper and celery salt, the Bloody Mary packs a punch. And it lights up nearly our entire range of taste receptors, giving us sweet, salty, sour and savory6.

To find out the Bloody Mary's secret, researchers shared one with a chromatograph, which identified the various compounds that contribute to the drink's flavor and bouquet7. The scientists turned up plenty of antioxidants, as well as a few bartending tips.

First, make it fresh. The acids in tomato juice can degrade the drink's other ingredients. Also, make it cold—ice slows the degradation8. Use the best tomato juice—the major source of flavor. But feel free to cheap out on the vodka. Its taste gets lost in the complex mix. In other words, chemists say to save the Grey Goose for other experiments.

Thanks for the minute. For Scientific American's 60-Second Science, I'm Karen Hopkin.


点击收听单词发音收听单词发音  

1 celebrated iwLzpz     
adj.有名的,声誉卓著的
参考例句:
  • He was soon one of the most celebrated young painters in England.不久他就成了英格兰最负盛名的年轻画家之一。
  • The celebrated violinist was mobbed by the audience.观众团团围住了这位著名的小提琴演奏家。
2 analyzing be408cc8d92ec310bb6260bc127c162b     
v.分析;分析( analyze的现在分词 );分解;解释;对…进行心理分析n.分析
参考例句:
  • Analyzing the date of some socialist countries presents even greater problem s. 分析某些社会主义国家的统计数据,暴露出的问题甚至更大。 来自辞典例句
  • He undoubtedly was not far off the mark in analyzing its predictions. 当然,他对其预测所作的分析倒也八九不离十。 来自辞典例句
3 dissected 462374bfe2039b4cdd8e07c3ee2faa29     
adj.切开的,分割的,(叶子)多裂的v.解剖(动物等)( dissect的过去式和过去分词 );仔细分析或研究
参考例句:
  • Her latest novel was dissected by the critics. 评论家对她最近出版的一部小说作了详细剖析。
  • He dissected the plan afterward to learn why it had failed. 他事后仔细剖析那项计划以便搞清它失败的原因。 来自《简明英汉词典》
4 bloody kWHza     
adj.非常的的;流血的;残忍的;adv.很;vt.血染
参考例句:
  • He got a bloody nose in the fight.他在打斗中被打得鼻子流血。
  • He is a bloody fool.他是一个十足的笨蛋。
5 cocktail Jw8zNt     
n.鸡尾酒;餐前开胃小吃;混合物
参考例句:
  • We invited some foreign friends for a cocktail party.我们邀请了一些外国朋友参加鸡尾酒会。
  • At a cocktail party in Hollywood,I was introduced to Charlie Chaplin.在好莱坞的一次鸡尾酒会上,人家把我介绍给查理·卓别林。
6 savory UC9zT     
adj.风味极佳的,可口的,味香的
参考例句:
  • She placed a huge dish before him of savory steaming meat.她将一大盘热气腾腾、美味可口的肉放在他面前。
  • He doesn't have a very savory reputation.他的名誉不太好。
7 bouquet pWEzA     
n.花束,酒香
参考例句:
  • This wine has a rich bouquet.这种葡萄酒有浓郁的香气。
  • Her wedding bouquet consisted of roses and ivy.她的婚礼花篮包括玫瑰和长春藤。
8 degradation QxKxL     
n.降级;低落;退化;陵削;降解;衰变
参考例句:
  • There are serious problems of land degradation in some arid zones.在一些干旱地带存在严重的土地退化问题。
  • Gambling is always coupled with degradation.赌博总是与堕落相联系。
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