His research began with fruit flies, but over the last two decades, his focus has been on parasitic protozoa, single-celled organisms that cause major diseases.

VOA: standard.2010.04.05

Malaria causes a million deaths per year, and schistosomiasis, which is a parasitic disease, is unfortunately a common cause of death in the world.

疟疾每年造成一百万死亡,而血吸虫病,这是一种寄生虫病,不幸的是,它是世界上很常见的死因

耶鲁公开课 - 生物医学工程探索课程节选

Parasitic organisms like protozoa and worms which are - which can cause terrible diseases.

而某些寄生生物,如原生动物和蠕虫,可以引起严重疾病

耶鲁公开课 - 生物医学工程探索课程节选

"There is an element of truth in that,". "But the option to simply starve a large population of civilians because you have a parasitic insurgency group attached to them is not a choice.

VOA: standard.2009.04.26

In other places, infectious disease is a much bigger part of their life and a much greater risk of death from infectious diseases and parasitic diseases if you live in places other than the U. S. or Western Europe, for example.

在其他地区,感染性疾病,对当地人们的生活构成了更大威胁,他们死于感染性疾病或者,寄生虫之类疾病风险更高,如果你生活在,美国或欧洲之外的地方的话

耶鲁公开课 - 生物医学工程探索课程节选