单词 | suctorian |
释义 | suctoriannoun suc·to·ri·an ˌsək-ˈtȯr-ē-ən : any of a class or subclass (Suctoria) of complex protozoans which are ciliated only early in development and in which the mature form is fixed to the substrate, lacks locomotor organelles or a mouth, and obtains food through specialized suctorial tentacles |
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