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SSS 2008-02-12

时间:2010-05-13 02:30来源:互联网 提供网友:0922013129   字体: [ ]
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This is Scientific American's 60-Second Science. I am Adam Hintertheur, got a minute?

These days it seems no one's job is safe from computerized replacements1, now it is time to add coffee experts to that list. Scientists at the Nestlé Research Center in Switzerland have developed a coffee-tasting machine that can sip2 and evaluate a brew3 almost as well as professional human tasters.The machine takes a sample of the gases produced by a steaming shot espresso and analyzes4 dozens of ions associated with taste and aroma5. Those ions are assigned to categories in a sensory6 evaluation7 dataset, but that doesn't mean the results are dry chemical formulas. In fact the machine has a vocabulary that would make any sommelier jealous.After it crunches8 the numbers, it spits out words like floury,woody and butter toffee to describe its drinking experience. Researchers say machines like this could be efficient monitors of quality control in the food industry and no matter how many cups a day it samples, the mechanized coffee taster will never get jittery9. Nevertheless rumor10 has it that the machine has already demanded a daily 15-minute anything-but-coffee break.

Thanks for the minute, for Scientific American's 60-Second Science, I am Adam Hintertheur.
 


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1 replacements 1f6e0d51ec9f57961e86b4aa2e91ef29     
n.代替( replacement的名词复数 );替换的人[物];替代品;归还
参考例句:
  • They infiltrated behind the lines so as to annoy the emery replacements. 他们渗透敌后以便骚扰敌军的调度。 来自辞典例句
  • For oil replacements, cheap suddenly looks less of a problem. 对于石油的替代品来说,价格变得无足轻重了。 来自互联网
2 sip Oxawv     
v.小口地喝,抿,呷;n.一小口的量
参考例句:
  • She took a sip of the cocktail.她啜饮一口鸡尾酒。
  • Elizabeth took a sip of the hot coffee.伊丽莎白呷了一口热咖啡。
3 brew kWezK     
v.酿造,调制
参考例句:
  • Let's brew up some more tea.咱们沏些茶吧。
  • The policeman dispelled the crowd lest they should brew trouble.警察驱散人群,因恐他们酿祸。
4 analyzes e2e80b8320e1dd8d4c035d41fd7e44e5     
v.分析( analyze的第三人称单数 );分解;解释;对…进行心理分析
参考例句:
  • This approach analyzes management by studying experience usually through cases. 这个学派通常从实例获得经验,用以分析管理。 来自辞典例句
  • The econometrician analyzes statistical data. 经济计量学者要分析统计材料。 来自辞典例句
5 aroma Nvfz9     
n.香气,芬芳,芳香
参考例句:
  • The whole house was filled with the aroma of coffee.满屋子都是咖啡的香味。
  • The air was heavy with the aroma of the paddy fields.稻花飘香。
6 sensory Azlwe     
adj.知觉的,感觉的,知觉器官的
参考例句:
  • Human powers of sensory discrimination are limited.人类感官分辨能力有限。
  • The sensory system may undergo long-term adaptation in alien environments.感觉系统对陌生的环境可能经过长时期才能适应。
7 evaluation onFxd     
n.估价,评价;赋值
参考例句:
  • I attempted an honest evaluation of my own life.我试图如实地评价我自己的一生。
  • The new scheme is still under evaluation.新方案还在评估阶段。
8 crunches 4712ffca3e3e2b512bff28945bcb905b     
n.(突发的)不足( crunch的名词复数 );需要做出重要决策的困难时刻;紧要关头;嘎吱的响声v.嘎吱嘎吱地咬嚼( crunch的第三人称单数 );嘎吱作响;(快速大量地)处理信息;数字捣弄
参考例句:
  • I can't bear the way she crunches the sugar. 我简直看不惯她嚼糖的那副样子。 来自辞典例句
  • Crunches with a twisting motion (to hit obliques) are excellent. 做仰卧起坐时加上转体动作更好。 来自互联网
9 jittery jittery     
adj. 神经过敏的, 战战兢兢的
参考例句:
  • However, nothing happened though he continued to feel jittery. 可是,自从拉上这辆车,并没有出什么错儿,虽然他心中嘀嘀咕咕的不安。 来自汉英文学 - 骆驼祥子
  • The thirty-six Enterprise divebombers were being squandered in a jittery shot from the hip. 这三十六架“企业号”上的俯冲轰炸机正被孤注一掷。
10 rumor qS0zZ     
n.谣言,谣传,传说
参考例句:
  • The rumor has been traced back to a bad man.那谣言经追查是个坏人造的。
  • The rumor has taken air.谣言流传开了。
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