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单词 plasmasphere
释义

WordReference Random House Unabridged Dictionary of American English © 2024
plas•ma•sphere  (plazmə sfēr′),USA pronunciation n. [Astron.]
  1. Astronomya region of cool plasma surrounding the earth, extending 8000–25,000 mi. (13,000–40,000 km) into space, and bounded by the plasmapause.
  • plasma + -sphere 1965–70

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更新时间:2025/7/23 17:42:20