SSS 2012-07-31
时间：2018-12-24 作者：英语课 分类：Scientific American(七)月
英语课
You've probably heard of peanut or shellfish allergies 1,but a meat allergy,not as common. Even weird 2 * will might be causing it, tick bites.According to a study in the journal of General Internal Medicine.
A few years back, folks started showing up in emergency room in the southeast US with hives,swelling or worse and * after eating red meat. For this study researchers looked at three of those cases. And they found it tick bites,specifically those of the Loan Star tick seemed to be the cause.The bitten victim's immune system appears to become senstized to a substance called alphygal. And whereas all the major food allergies are triggered by proteins, the corporate 3 here,alphygal is a carbohydrate 4. Alphygal is found in the meat and fat of * mammals like cow,sheep or pigs.So eating a burger can expose you to alphygal which activates 5 antibodies and leads to the release of histamines. Researchers say something similar to alphygal in tick saliva 6 may set off the immune system which then goes after the alphygal in meat, and leaves a stesk-lover ticked off.
1 allergies
n.[医]过敏症；[口]厌恶，反感；（对食物、花粉、虫咬等的）过敏症( allergy的名词复数 )；变态反应，变应性
- Food allergies can result in an enormous variety of different symptoms. 食物过敏会引发很多不同的症状。 来自辞典例句
- Let us, however, examine one of the most common allergies; hayfever. 现在让我们来看看最常见的变态反应的一种--枯草热。 来自辞典例句
2 weird
adj.古怪的，离奇的；怪诞的，神秘而可怕的
- From his weird behaviour,he seems a bit of an oddity.从他不寻常的行为看来，他好像有点怪。
- His weird clothes really gas me.他的怪衣裳简直笑死人。
3 corporate
adj.共同的，全体的；公司的，企业的
- This is our corporate responsibility.这是我们共同的责任。
- His corporate's life will be as short as a rabbit's tail.他的公司的寿命是兔子尾巴长不了。
4 carbohydrate
n.碳水化合物；糖类；(plural)淀粉质或糖类
- You should not have too much carbohydrate in your diet.你日常饮食中不该有过多碳水化合物。
- Cashew nuts are rich in carbohydrate.腰果含丰富碳水化合物。