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单词 protostele
释义

WordReference Random House Unabridged Dictionary of American English © 2024
pro•to•stele  (prōtə stēl′, -stē′lē),USA pronunciation n. [Bot.]
  1. Botanythe solid stele of most roots, having a central core of xylem enclosed by phloem.
  • 1900–05; proto- + stele
pro•to•ste•lic  (prō′tə stēlik),USA pronunciation adj. 
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更新时间:2024/11/10 16:18:55