| 单词 | hemichordate |
| 释义 | hemichordate /hem'i kawr"dayt/, Zool. adj. 1. belonging or pertaining to the chordates of the phylum Hemichordata, comprising small, widely distributed, marine animals, as the acorn worms. n. 2. a hemichordate animal, having a vertebratelike hollow nerve cord and an echinodermlike larval stage. [1880-85; < NL Hemichordata; see HEMI-, CHORDATE] |
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