| 释义 |
chaetognath/ˈki:tənæθ/n. any dart-shaped worm of the phylum Chaetognatha, usu. living among marine plankton, and having a head with external grasping spines Also called 亦称作 arrow worm 毛颚类动物(毛颚动物门蠕虫，体形似飞镖，生活于海洋浮游生物中间，头上有一些抓东西用的棘状突起)[modern Latin Chaetognatha, from Greek khaitē ‘long hair’ + gnathos ‘jaw’] |