n.单细胞生物，原生动物
adj.原生动物的

原形：protozoan复数：protozoans

Protozoa are single-celled organisms that play a significant role in nutrient cycling in aquatic ecosystems.
原生动物是单细胞生物，在水生生态系统中的营养循环中起着重要作用。
Malaria is caused by a protozoan parasite of the genus Plasmodium, transmitted to humans through mosquito bites.
疟疾是由疟原虫属的一种原生动物寄生虫通过蚊子叮咬传播给人类的。
Amoeba, a type of protozoan, can change its shape by extending and retracting pseudopodia.
阿米巴是一种原生动物，能够通过伸出和缩回伪足改变其形状。
The water we drink must be treated to kill any potential protozoan pathogens like Giardia or Cryptosporidium.
我们喝的水必须经过处理以杀死潜在的原生动物病原体，如贾第虫或隐孢子虫。
Some protozoans, such as Toxoplasma gondii, can cause serious infections in immunocompromised individuals.
一些原生动物，如刚地弓形虫，能在免疫功能低下的人体内引起严重的感染。
The flagellated protozoan Trypanosoma brucei is responsible for causing African sleeping sickness.
挥鞭状的原生动物布鲁氏锥虫是引发非洲昏睡病的原因。
Leishmaniasis is a disease caused by protozoan parasites of the genus Leishmania, transmitted by sandflies.
利什曼病是由利什曼原虫属的一种原生动物寄生虫经由沙蝇传播引起的疾病。
Chlorination is an effective method to inactivate many protozoan parasites found in drinking water sources.
氯化是一种有效的方法，可以灭活饮用水源中的许多原生动物寄生虫。
The study of protozoa is called protozoology, which is a branch of microbiology.
对原生动物的研究称为原生动物学，它是微生物学的一个分支。
Protozoan infections can be challenging to diagnose due to their diverse symptoms and non-specific clinical presentations.
原生动物感染因其症状多样且临床表现不典型而难以诊断。