| 单词 | echiurid |
| 释义 | echiurid /ek'ee yoor"id/, n. any of various unsegmented marine worms of the phylum Echiura, comprising the spoonworms. [ < NL Echiurida, var. of Echiura < Gk échi(s) viper + -oura neut. pl. of -ouros -tailed (deriv. of ourá tail); Cf. Echiurus a genus of the phylum; see -IDA] |
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