| 单词 | sand dollar |
| 释义 | sand dollarnounany of various flat, disklike sea urchins, as Mellita testudinata or Echinarachnius parma, that live on sandy bottoms off the coasts of the U.S. Origin of sand dollarAn Americanism dating back to1880–85 Words nearby sand dollarsand crab, sand crack, sand cricket, sandculture, sand dab, sand dollar, Sande, sand eel, sandek, sander, sanderling Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for sand dollarsand dollar nounany of various flattened disclike echinoderms of the order Clypeasteroida, of shallow North American coastal waters: class Echinoidea (sea urchins) Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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