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单词
extremely low frequency
释义
extremely low frequency
Radio.
any frequency between 30 and 300 hertz.
Abbr.:
ELF, elf
[
1965-70
]
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unobserved
unobserving
unobsessed
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unobstructive
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unobtruding
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unobviable
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unobvious
unoccasional
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unoccupancy
unoccupied
unoccurring
unoceanic
unocular
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更新时间:2025/6/22 16:04:43