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单词 macroevolution
释义

WordReference Random House Unabridged Dictionary of American English © 2024
mac•ro•ev•o•lu•tion  (mak′rō ev′ə lo̅o̅shən or, esp. Brit., -ē′və-),USA pronunciation n. [Biol.]
  1. Biologymajor evolutionary transition from one type of organism to another occurring at the level of the species and higher taxa.
  • macro- + evolution 1935–40
mac′ro•ev′o•lution•ar′y, adj. 

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