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SSS 2009-04-09

时间:2010-05-17 07:17来源:互联网 提供网友:木渐浅。   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 Christie Nicholson.Got a minute?

 

A woman friend of mine recently commented about her guy: “He’s such a boy. His towels are stinky. And he doesn’t seem to notice!” Well, maybe he can’t smell the stinkyness. According to recent research from the Monell Chemical Senses Center, women have much sharper noses.

 

Scientists collected microdroplets of perspiration1, and had men and women sniff2 the vials. According to both, the odors were equally rich. Subjects were then asked to rate odor strength when sniffing3 the sweat mixed one by one with 32 different fragrances4. Only two of the fragrances stopped women from smelling the sweat. But 19 fragrances successfully blocked it from male noses.

 

Body odor is special—the authors note that in previous studies men’s and women’s scent5 detection did not differ when it came to other aromas6. The researchers also concluded that men’s odor is harder to mask than women’s, regardless of who sniffs7. Only a fifth of the fragrances could cover up male odor. But half of the scents8 masked female odor. The researchers suggest that for women there may be important biological information contained in male sweat. So maybe don’t wash those towels just yet.

 

Thanks for the minute for Scientific American's 60-second Science.I'm Christie Nicholson.
 


点击收听单词发音收听单词发音  

1 perspiration c3UzD     
n.汗水;出汗
参考例句:
  • It is so hot that my clothes are wet with perspiration.天太热了,我的衣服被汗水湿透了。
  • The perspiration was running down my back.汗从我背上淌下来。
2 sniff PF7zs     
vi.嗅…味道;抽鼻涕;对嗤之以鼻,蔑视
参考例句:
  • The police used dogs to sniff out the criminals in their hiding - place.警察使用警犬查出了罪犯的藏身地点。
  • When Munchie meets a dog on the beach, they sniff each other for a while.当麦奇在海滩上碰到另一条狗的时候,他们会彼此嗅一会儿。
3 sniffing 50b6416c50a7d3793e6172a8514a0576     
n.探查法v.以鼻吸气,嗅,闻( sniff的现在分词 );抽鼻子(尤指哭泣、患感冒等时出声地用鼻子吸气);抱怨,不以为然地说
参考例句:
  • We all had colds and couldn't stop sniffing and sneezing. 我们都感冒了,一个劲地抽鼻子,打喷嚏。
  • They all had colds and were sniffing and sneezing. 他们都伤风了,呼呼喘气而且打喷嚏。 来自《现代英汉综合大词典》
4 fragrances 2de1368e179b47e9157283bda10210b2     
n.芳香,香味( fragrance的名词复数 );香水
参考例句:
  • The bath oil comes in various fragrances. 这种沐浴油有不同的香味。
  • This toilet soap lathers so nicely and has several fragrances. 这种香皂起泡很多,并且有好几种香味。 来自《现代汉英综合大词典》
5 scent WThzs     
n.气味,香味,香水,线索,嗅觉;v.嗅,发觉
参考例句:
  • The air was filled with the scent of lilac.空气中弥漫着丁香花的芬芳。
  • The flowers give off a heady scent at night.这些花晚上散发出醉人的芳香。
6 aromas 22108e13d76196351f5487c7c02f8109     
n.芳香( aroma的名词复数 );气味;风味;韵味
参考例句:
  • Intoxicating earth aromas induced lassitude and ethereal calm. 泥土的醉人的芳香叫人懒洋洋的,感到一种远离尘世的宁静。 来自辞典例句
  • Nose and elegant nose with attractive fruity, floral and citrus fruit aromas. 芳香:优雅、馥郁、迷人的柑橘属水果的果香及花的清香。 来自互联网
7 sniffs 1dc17368bdc7c210dcdfcacf069b2513     
v.以鼻吸气,嗅,闻( sniff的第三人称单数 );抽鼻子(尤指哭泣、患感冒等时出声地用鼻子吸气);抱怨,不以为然地说
参考例句:
  • When a dog smells food, he usually sniffs. 狗闻到食物时常吸鼻子。 来自辞典例句
  • I-It's a difficult time [ Sniffs ] with my husband. 最近[哭泣]和我丈夫出了点问题。 来自电影对白
8 scents 9d41e056b814c700bf06c9870b09a332     
n.香水( scent的名词复数 );气味;(动物的)臭迹;(尤指狗的)嗅觉
参考例句:
  • The air was fragrant with scents from the sea and the hills. 空气中荡漾着山和海的芬芳气息。
  • The winds came down with scents of the grass and wild flowers. 微风送来阵阵青草和野花的香气。 来自《简明英汉词典》
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