立克次氏体是一种细菌，这种细菌可引起多种疾病，并通过吸血节肢寄生动物传播。

Rickettsia is a bacterium which can cause many diseases that are transmitted by blood-sucking parasitic arthropods.

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立克次氏体通常被称为蜱热是一种细菌，这种细菌可引起多种疾病，并通过吸血节肢寄生动物如跳蚤、虱子和蜱等传播。

Rickettsia, commonly known as tick fever is a bacterium which can cause many diseases that are transmitted by blood-sucking parasitic arthropods such as fleas, lice and ticks.

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此工程的目的是给人一种居住在蜗牛内部的感觉，像软体动物一样从一个房间爬到另一个房间，像寄居在一座大型化石修道院里的寄生动物一样。

The goal of this project was to make it feel like an internal inhabitant of a snail, like a mollusk moving from one chamber to another, like a symbiotic dweller of a huge fossil maternal cloister.

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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