单词 | algae |
释义 | Word Frequency algae(ˈældʒiː) plural nounWord forms: singular alga (ˈælɡə) unicellular or multicellular organisms formerly classified as plants, occurring in fresh or salt water or moist ground, that have chlorophyll and other pigments but lack true stems, roots, and leaves. Algae, which are now regarded as protoctists, include the seaweeds, diatoms, and spirogyra Derived forms algal (ˈælɡəl) adjective Word origin C16: from Latin, plural of alga seaweed, of uncertain origin |
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