因此一些非常危险的药物被批准，因为它们是治疗严重疾病所必需的。

Thus some very dangerous drugs are approved because they are necessary to treat serious illnesses.

youdao

当然了，最好的东西是治疗严重疾病的药。许多科学家正在努力对抗各种疾病，如埃博拉病毒这种可怕的疾病，而非洲已有几千人因此丧命。

Well, of course, the best thing is medicine for really bad diseases (疾病). A lot of scientists are working very hard to stop diseases like Ebola, a terrible disease that has killed many thousand people in Africa.

youdao

治疗严重粉刺最常用的是四环素类抗生素。

Drugs from the tetracycline family are the most commonly prescribed antibiotics for the treatment of severe acne.

youdao

And now we aim to try to help provide new treatment for these severely disabled patients.

现在，我们想要尽量帮助这些严重伤残的病人,找到新的治疗方法。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

so we are actually trying to develop a compound to treat a very severe form of autism,

我们想研究出某种能够治疗一种非常严重的自闭症的复合药物，

成功的医学研究 - SpeakingMax英语口语达人

And you can use this tissue engineered skin to treat a patient who's had severe burns, for example, or a diabetic who's developed ulcers that won't heal.

人们能够用这种组织工程学意义上的皮肤,来治疗严重烧伤的病人,或那些溃疡久治不愈的糖尿病病人

耶鲁公开课 - 生物医学工程探索课程节选