单词 | ascidian |
释义 | Word Frequency ascidian(əˈsɪdɪən) noun 1. any minute marine invertebrate animal of the class Ascidiacea, such as the sea squirt, the adults of which are degenerate and sedentary: subphylum Tunicata (tunicates) 2. ascidian tadpole adjective 3. of, relating to, or belonging to the Ascidiacea |
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