Chinese

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utmost; pole; extreme
utmost; pole; extreme; to reach the limit
 
the speed of sound
trad. (極音速) 音速
simp. (极音速) 音速

Pronunciation

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Adjective

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極音速

  1. (Hong Kong, Taiwan) hypersonic
    Synonym: 超高音速 (chāogāoyīnsù) (Mainland China)