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单词 echinodermata
释义 echi·no·der·ma·ta
\-məd.ə\ noun plural
Usage: capitalized
Etymology: New Latin, from echin- + -dermata
: a phylum of radially symmetrical coelomate marine animals consisting of the starfishes, sea urchins, and their related forms all having a calcareous exoskeleton, a blood-vascular system, a nervous system, and a water-vascular system that through small tubular appendages of the body connecting with these vessels provides tentacles and organs of locomotion — compare tube foot
echi·no·der·ma·tous \-|dərməd.əs\ adjective
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