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单词 plankton
释义

WordReference Random House Learner's Dictionary of American English © 2024
plank•ton /ˈplæŋktən/USA pronunciation   n. [uncountable]
  1. Microbiologya mass of tiny, floating or drifting living beings occurring in a body of water, mostly algae and protozoa.

WordReference Random House Unabridged Dictionary of American English © 2024
plank•ton  (plangk′tən),USA pronunciation n. 
  1. Microbiologythe aggregate of passively floating, drifting, or somewhat motile organisms occurring in a body of water, primarily comprising microscopic algae and protozoa.
  • German, special use of neuter of Greek planktós drifting, equivalent. to plang-, variant stem of plázesthai to drift, roam, wander + -tos verbid suffix
  • 1890–95;
plank•ton•ic  (plangk ton′ik),USA pronunciation adj. 
Collins Concise English Dictionary © HarperCollins Publishers::
plankton /ˈplæŋktən/ n
  1. the organisms inhabiting the surface layer of a sea or lake, consisting of small drifting plants and animals, such as diatoms
Etymology: 19th Century: via German from Greek planktos wandering, from plazesthai to roam
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更新时间：2025/7/22 20:55:33