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| protozoan A diverse phylum of eukaryotic microorganisms; the structure varies from a simple uninucleate protoplast to colonial forms, the body is either naked or covered by a test, locomotion is by means of pseudopodia or cilia or flagella, there is a tendency toward universal symmetry in floating species and radial symmetry in sessile types, and nutrition may be phagotrophic or autotrophic or saprozoic; protozoan; protozoa | |||
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protozoarios : 11 短语, 4 学科 |
| 医疗的 | 3 |
| 卫生保健 | 3 |
| 老兵专用医药 | 4 |
| 药店 | 1 |