广播电视英语短句 第 89 课：肺结核-4

He says current tests can sometimes take weeks in rural and poor areas of the world. 他说，在某些农村或者贫困地区，目前使用的测试方法有时需要数周时间。

By that time, the patient may already be dead. 到那个时候，病人可能已经死亡了。

The scientists used viruses called bacteriophages to speed the process. 科学家们使用称为抗菌素的病毒来加速这个过程。

These viruses attack bacteria. The researchers injected them with a gene that produces a green glow of light. 这些病毒会攻击细菌。研究人员将一种能够产生绿色光线的基因注射到这种病毒内。

They also injected some with first line antibiotics and others with second line drugs. 同时在其中一部分病毒内注射一线抗生素，其余的注射二线药物。

Then they combined the bacteriophages with TB bacteria. 之后，他们使抗菌素和肺结核病菌结合在一起。