| 单词 | algae |
| 释义 | algae —algal, adj. /al"jee/, n.pl., sing. alga /-geuh/. any of numerous groups of chlorophyll-containing, mainly aquatic eukaryotic organisms ranging from microscopic single-celled forms to multicellular forms 100 ft. (30 m) or more long, distinguished from plants by the absence of true roots, stems, and leaves and by a lack of nonreproductive cells in the reproductive structures: classified into the six phyla Euglenophyta, Crysophyta, Pyrrophyta, Chlorophyta, Phaeophyta, and Rhodophyta. Cf. blue-green algae. [ < NL, pl. of L alga seaweed] |
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