时差N小时 疫苗的神奇作用(上)

When a virus enters your body, your body has to recognize it, then produce a protein called an antibody.

当病毒进入你的身体,你的身体会进行识别,然后产生一种被称为抗体的蛋白质。

These antibodies attach to the virus and neutralize¹ it; however, in the time it takes your body to produce enough antibodies,

这些抗体会附着在病毒上然后进行中和;然而这段时间内你的身体会产生足够的抗体,

the virus may have already multiplied enough to make you sick.

而病毒的数量可能已增加到足以使你生病。

Here's the good news once your body has learned to make the right antibodies, it can make them much faster, neutralizing² the virus before you get sick.

好消息是一旦你的身体已经学会产生正确的抗体,就会使它们加速产生, 在你生病前将病毒中和。

Vaccines³ teach your body to recognize and react to a virus quickly.

疫苗教给你的身体迅速识别并且对病毒做出反应。

There are two types of vaccines you can get to teach your body to recognize a virus.

有两种类型的疫苗可以教给你的身体识别病毒。

In activated⁴ vaccines contain a dead virus, which cannot infect your cells, but your body recognizes it as a virus and produces antibodies to neutralize it.

灭活疫苗中含有一种死亡病毒,不会感染你的细胞,但你的身体会意识到这是一种病毒然后产生中和抗体。

The vaccines for polio and the seasonal⁵ flu use dead viruses.

脊髓灰质炎及季节性流感疫苗就是使用已经死亡的病毒。

1 neutralize   

v.使失效、抵消，使中和

参考例句：

• Nothing could neutralize its good effects.没有什么能抵消它所产生的好影响。
• Acids neutralize alkalis and vice versa.酸能使碱中和碱，亦能使酸中和。

2 neutralizing   

v.使失效( neutralize的现在分词 )；抵消；中和；使（一个国家）中立化

参考例句：

• This juice-about a quart a day--pours into my duodenum, neutralizing acids. 这种消化液（每天约分泌1品脱）流入我的十二指肠，把酸中和了。 来自辞典例句
• AIM: To verify the role of a synthetic peptide in neutralizing endotoxins. 目的：检验一条合成肽在中和内毒素活性方面的作用。 来自互联网

3 vaccines   

疫苗，痘苗( vaccine的名词复数 )

参考例句：

• His team are at the forefront of scientific research into vaccines. 他的小组处于疫苗科研的最前沿。
• The vaccines were kept cool in refrigerators. 疫苗放在冰箱中冷藏。

4 activated   

adj. 激活的 动词activate的过去式和过去分词

参考例句：

• The canister is filled with activated charcoal.蒸气回收罐中充满了活性炭。

5 seasonal   

adj.季节的，季节性的

参考例句：

• The town relies on the seasonal tourist industry for jobs.这个城镇依靠季节性旅游业提供就业机会。
• The hors d'oeuvre is seasonal vegetables.餐前小吃是应时蔬菜。