单词 | radula |
释义 | rad·u·la ![]() n. pl. rad·u·lae (-lē′) A flexible tonguelike organ found in most mollusks, having rows of horny teeth on the surface and used in feeding for scraping or cutting. [Latin rādula, scraper, from rādere, to scrape; see rēd- in the Appendix of Indo-European roots.] radu·lar adj. ![]() snail radula |
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