【英语时差8,16】百分百干净（上）

Being clean is a good thing. After all, simply washing your hands regularly can help ward¹ off flu and other contagious² diseases. Is It Possible To Be Too Clean? Maybe… For the past few decades scientists have been debating the so called “hygiene hypothesis”–the idea that being exposed to a wide range of microbes early on helps strengthen the immune system. According to the hypothesis, too much anti microbial cleanliness at a young age can throw the immune system out of whack³, causing it to overreact later on. Now, a study lends support to this idea. Scientists have found that bacteria living on our skin help prevent cuts from becoming inflamed⁴ when the immune system reacts to the wound.

1 ward   

n.守卫，监护，病房，行政区，由监护人或法院保护的人（尤指儿童）；vt.守护，躲开

参考例句：

• The hospital has a medical ward and a surgical ward.这家医院有内科病房和外科病房。
• During the evening picnic,I'll carry a torch to ward off the bugs.傍晚野餐时，我要点根火把，抵挡蚊虫。

2 contagious   

adj.传染性的，有感染力的

参考例句：

• It's a highly contagious infection.这种病极易传染。
• He's got a contagious laugh.他的笑富有感染力。

3 whack   

v.敲击，重打，瓜分；n.重击，重打，尝试，一份

参考例句：

• After years of dieting,Carol's metabolism was completely out of whack.经过数年的节食，卡罗尔的新陈代谢完全紊乱了。
• He gave me a whack on the back to wake me up.他为把我弄醒，在我背上猛拍一下。

4 inflamed   

adj.发炎的，红肿的v.（使）变红，发怒，过热( inflame的过去式和过去分词 )

参考例句：

• His comments have inflamed teachers all over the country. 他的评论激怒了全国教师。
• Her joints are severely inflamed. 她的关节严重发炎。 来自《简明英汉词典》