| 单词 | echinus | 
| 释义 | Word Frequency echinus(ɪˈkaɪnəs) nounWord forms:  plural -ni (-naɪ) 1.  architecture an ovolo moulding between the shaft and the abacus of a Doric column  2.  any of the sea urchins of the genus Echinus, such as E. esculentus (edible sea urchin) of the Mediterranean  Word origin C14: from Latin, from Greek ekhinos | 
	
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