| 单词 | protoctist |
| 释义 | protoctist in British English (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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