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单词 tetra
释义

WordReference Random House Unabridged Dictionary of American English © 2024
tet•ra  (te′trə),USA pronunciation n. 
  1. Fishany of several tropical, freshwater fishes of the family Characidae, often kept in aquariums.
  • shortening of Neo-Latin Tetragonopterus former genus name. See tetragon, -o-, -pterous 1930–35

tetra-, 
  1. a combining form meaning "four,'' used in the formation of compound words:tetrabranchiate.
Also,[esp. before a vowel,] tetr-. 
  • Greek, combining form of téttara, neuter of téttares four

Collins Concise English Dictionary © HarperCollins Publishers::
tetra-, (before a vowel)tetr- combining form
  1. four: tetrameter
Etymology: from Greek
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更新时间：2025/7/23 8:30:21