any of diverse minute acellular or unicellular organisms usually nonphotosynthetic
例句
The results show that the protozoon can adapt to thesalinity variations best. 结果表明，原生动物对盐度变化的适应能力最强。
A flagellate protozoan, such as a trypanosome, that is parasitic in the blood. 血鞭毛虫一种鞭毛原生动物，如锥体虫，寄生于血液之中
A flagellate protozoan,such as a trypanosome,that is parasitic in the blood. 血鞭毛虫一种鞭毛原生动物，如锥体虫，寄生于血液之中
Protozoan diversity of the ecosystem stability of the status quo stated. 原生动物多样性现状阐明各生态系的稳定性。
Indirect harm Cockroach carries a variety of pathogenic microorganisms such as bacteria, virus, protozoon, parasitic ovum and fungi, etc. 蟑螂能携带多种细菌、病毒、原虫、寄生虫卵、真菌等病原微生物。
The evidence for a significant role for cell-mediated immune responses in other protozoon diseases of animal is less complete. 在动物的其它原虫性疾病中，有关细胞免疫应答的重要作用的证据尚不充足。
