[科学美国人60秒] SSS 2015-11-16_在线英语听力室

(单词翻译:双击或拖选)

Have you lost your ability to taste during a cold because your nose stuffed up? That’s because the nose is intimately involved with your taste. When you chew, flavor compounds from the food to the back of the mouth. And when you exhale¹, you cary some of those flavor compounds to where they . As children their first lesson in their table manners, you know just to keep their mouth close while chewing and you also want to breath smoothly². It’s M.N. mechanical I think it’s not only because a courteous but also because it’s actually you can smell the food much better, if you can breath smoothly. The backward by which smells contribute to taste is called function and it turns out our airway³ to enhance that effect. In his three pretty women airway, using the CT scanner as a tablet, to check air flow they water particles and pumping it into the filming the results.

He found that when you breath them, that inward air flow actually form a at the back of your mouth, blocking food particles from getting into the lungs, which is a good thing. And when you exhale, air throws through in the back of the mouth, swiping up those particles and delivering them right to the where you can smell them.

The results appear in the national of science.

Now there is a way to system. Except for meaning if you really often done your food gasping⁴ for the air, that turbulent breathing actually delivering more of those food molecules⁵ into your lungs and fewer into your . In other words, your mother is right all alone. Keep your mouth shut and don’t the food. You’ll cut the chance of chewing and enhance the taste of the meal.

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收听单词发音

1 exhale
v.呼气，散出，吐出，蒸发
参考例句：
Sweet odours exhale from flowers.花儿散发出花香。 Wade exhaled a cloud of smoke and coughed.韦德吐出一口烟，然后咳嗽起来。

2 smoothly
adv.平滑地，顺利地，流利地，流畅地
参考例句：
The workmen are very cooperative,so the work goes on smoothly.工人们十分合作，所以工作进展顺利。 Just change one or two words and the sentence will read smoothly.这句话只要动一两个字就顺了。

3 airway
n.空中航线，通风口
参考例句：
Lay them on their side and ensure the airway is unobstructed.让他们侧躺着，并确保呼吸道畅通。 There is a purple airway in London Airport.伦敦机场里有一条皇家专用飞机跑道。

4 gasping
adj. 气喘的, 痉挛的动词gasp的现在分词
参考例句：
He was gasping for breath. 他在喘气。 "Did you need a drink?""Yes, I'm gasping!” “你要喝点什么吗？”“我巴不得能喝点！”

5 molecules
分子( molecule的名词复数 )
参考例句：
The structure of molecules can be seen under an electron microscope. 分子的结构可在电子显微镜下观察到。 Inside the reactor the large molecules are cracked into smaller molecules. 在反应堆里，大分子裂变为小分子。

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[科学美国人60秒] SSS 2015-11-16