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单词 ecosphere
释义

WordReference Random House Unabridged Dictionary of American English © 2024
ec•o•sphere  (ek′ō sfēr′, ē′kō-),USA pronunciation n. 
  1. Also called physiological atmosphere. the part of the atmosphere in which it is possible to breathe normally without aid: the portion of the troposphere from sea level to an altitude of about 13,000 ft. (4000 m).
  2. Ecologythe planetary ecosystem, including all the earth's living organisms and their physical environment;
    biosphere.
  • eco- + sphere 1950–55

Collins Concise English Dictionary © HarperCollins Publishers::
ecosphere /ˈiːkəʊˌsfɪə ˈɛkəʊ-/ n
  1. the planetary ecosystem, consisting of all living organisms and their environment
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更新时间：2024/11/13 20:12:19