| 单词 | diatom |
| 释义 | Word Frequency diatom(ˈdaɪətəm, -ˌtɒm) noun any microscopic unicellular alga of the phylum Bacillariophyta, occurring in marine or fresh water singly or in colonies, each cell having a cell wall made of two halves and impregnated with silica See also diatomite Word origin C19: from New Latin Diatoma (genus name), from Greek diatomos cut in two, from diatemnein to cut through, from dia- + temnein to cut |
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