| 单词 | protoctist |
| 释义 | protoctist(prəʊˈtɒktɪst) noun (in modern biological classifications) any unicellular or simple multicellular organism belonging to the kingdom Protoctista, which includes protozoans, algae, and slime moulds Word origin C19: from New Latin protoctista, perhaps from Greek prōtotokos first born |
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