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单词
plasmasphere
释义
WordReference Random House Unabridged Dictionary of American English © 2024
plas•ma•sphere
(plaz
′
mə sfēr′),
USA pronunciation
n.
[
Astron.
]
Astronomy
a 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:2025/11/25 7:39:14