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sunspot cycle
释义
WordReference Random House Unabridged Dictionary of American English © 2024
sun
′
spot cy′cle,
[
Astron.
]
Astronomy
the cycle, averaging in duration slightly more than 11 years, in which the frequency of sunspots varies from a maximum to a minimum and back to a maximum again.
Cf.
solar cycle.
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odah
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odas
od'd
odd
odd and even
oddball
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odd fellow
oddfellow
oddfellowship
oddish
oddity
odd-job
odd jobber
odd-jobber
odd-jobman
odd lot
odd-lot
odd lotter
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更新时间:2026/6/25 12:00:52