免费av毛片,日韩av高清在线播放,97国产精品最好的产品,欧美成人免费一区二区三区,神马午夜一区,曰河南少妇对白视频,欧美自拍视频

首 頁 | 新聞?dòng)⒄Z | 視聽英語 | 翻譯園地 | 實(shí)用英語 | 專欄作家 | 奧運(yùn)英語 | 新詞新譯 | 書友天地 | 輕松英語  | 凈臉聯(lián)盟 | 英語論壇 | 少兒英語
您現(xiàn)在的位置: En_language tips > 輕松英語 > 一問到底 Dec 26, 2005
 





  What causes an "ice cream headache"?

   
  ice cream headache
   
  What causes an "ice cream headache"?
An ice cream headache is triggered by a sudden change in temperature that occurs in your mouth when you eat something cold.

On a hot day when you eat a snow cone, the cold crushed ice that touches the top of your mouth initiates a nerve reaction that swells blood vessels in your head. The nerve center on the roof of your mouth overreacts to the cold temperature of the snow cone and tries to heat your brain. This swelling of blood vessels is what causes an ice cream headache, or what is more commonly known as "brain freeze" or "frozen brain syndrome."

Luckily the intense stabbing pain in your head usually lasts only for about 30-60 seconds.

I scream, you scream, we all scream ice cream HEADACHE! - 30% of the human population suffers from these excruciating headaches. The best way to avoid getting an ice cream headache is keep the chilled foods or beverages you eat on the side of your mouth, away from the roof of your mouth.

 

note:

trigger: 引起

 

snow cone: 蛋筒冰激凌

 

overreact: 過度反應(yīng)

 

 

 


excruciating: 極痛苦的

beverage: 飲料

 
 
 
Copyright by chinadaily.com.cn. All rights reserved
版權(quán)聲明:未經(jīng)中國日報(bào)網(wǎng)站許可,任何人不得復(fù)制本欄目內(nèi)容。如需轉(zhuǎn)載請與本網(wǎng)站聯(lián)系。
None of this material may be used for any commercial or public use. Reproduction in whole or in part without permission is prohibited.