广播电视英语短句 第 182 课：昏睡病-3

The weakness is an enzyme called N-myristoyl transferase, or NMT. The parasite needs NMT to survive. 这个缺陷就是一种叫作 N-myristoyl transferas 或 NMT 的酶。寄生虫依赖 NMT 生存。

The researchers developed a mixture of chemicals that interfered with the performance of the enzyme. 研究者们开发了一种可以干扰酶活动的化合物，

They tried it in test tubes containing the parasites. As a result, the parasites stopped reproducing. 并在装有寄生虫的试管里进行试验，结果寄生虫果然停止了繁殖。

The scientists also tested the treatment on laboratory mice with sleeping sickness. 科学家们也在实验室老鼠身上做过昏睡病的治疗试验，

They gave them the chemical compound by mouth and say the infection disappeared. 他们给老鼠口服化合物，感染就消失了。