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单词 tube foot
释义

WordReference Random House Unabridged Dictionary of American English © 2024
tube foot′, 
  1. Zoologyone of numerous small, tubular processes on the ventral body surface of most echinoderms, used for locomotion and grasping.
  • 1885–90

Collins Concise English Dictionary © HarperCollins Publishers::
tube foot n
  1. any of numerous tubular outgrowths of the body wall of most echinoderms that are used as organs of locomotion and respiration and to aid ingestion of food
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