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单词 ambulacraire
释义 ambulaˈcraire
[Fr., prop. adj. ‘belonging to the ambulacra.’]
A group or series of the perforated coronal pieces in an echinus. (Also used in L. form pl. ambulacraria).
a1837Penny Cycl. IX. 260/2 The ambulacraires narrower and covered with very small, fine, close-set spines.
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更新时间:2024/11/5 18:56:56