单词	nib
释义	nibnib /nɪb/ noun [countable] Etymology ETYMOLOGYnib Origin: 1500-1600 Probably from neb beak (11-19 centuries), from Old English nebb the pointed metal part at the end of a pen
随便看	nuclear fusion nuclear option nuclear physics nuclear power nuclear reaction nuclear reactor Nuclear Regulatory Commission, the nuclear waste nuclear weapon nuclear winter nucleic acid nucleoid nucleolus nucleon nucleotide nucleus nude nudge nudie nudism nudist nudity 'nuff nugget nuisance

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