英语词汇“sand dollar”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词	sand dollar
释义	sand dollar n. 1. Any of various thin circular echinoderms of the order Clypeasteroida, especially Echinarachnius parma, of coastal northern Atlantic and Pacific waters, having a covering of short movable spines. 2. The disklike internal skeleton of a sand dollar, having five radially symmetric oblong markings and often a pattern of long narrow holes. sand dollar Clypeaster subdepressus
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