arrow worm

英 美
  • 矢虫
  • arrow n.箭;箭头
  • worm n.虫;蠕虫v.蠕动;驱虫;慢慢获取
名词 arrowworm:
  1. any worm of the Chaetognatha; transparent marine worm with horizontal lateral and caudal fins and a row of movable curved spines at each side of the mouth