| 单词 | arrow worm |
| 释义 | > as lemmasarrow worm arrow worm n. a small, carnivorous marine worm of the phylum Chaetognatha, typically having a narrow transparent or translucent body and an arrow-shaped head with hooked grasping spines; a chaetognath. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Chaetognatha > [noun] > member of arrow worm1859 chaetognath1874 1859 Q. Jrnl. Microsc. Sci. 7 54 Gegenbaur concludes with observing that the ‘genus Sagitta must be regarded as the representative of a special subdivision between the Nematoda and Annelida, and which might be designated the “Pfeilwürmer” or “Arrow-worms”’. 1889 Hardwicke's Sci.-gossip Sept. 211/2 An arrow worm (Sagitta bipunctata), is prepared so as to show the remarkable structure of the mouth. 1972 M. J. Ursin Life in & around Salt Marshes 50 (caption) The arrowworm inhabits the open ocean but occasionally will appear in coastal waters in great numbers. 2015 Observer (Nexis) 6 June Slender chaetognatha, or arrow worms, bristle with hairs and become cannibals as they gobble up their relatives. < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。