单词	cryogenic
释义	cryogenicscry‧o‧gen‧ics /ˌkraɪəˈdʒenɪks/ noun [uncountable] Word Origin WORD ORIGINcryogenics Origin: 1900-2000 cryogen ‘substance producing low temperatures’ (19-21 centuries), from Greek kryo- (from kryos ‘very cold’) + English -gen ‘producing’ (from Greek -genes ‘born’) Examples EXAMPLES FROM THE CORPUS This removes half of the cryogenics problem but leaves us with liquid oxygen. the scientific study of very low temperatures—cryogenic adjective
随便看	entirety entitle entitlement entitlement program entity entomb entomological entomologist entomology entourage entrails entrance entranced entrancing entrant entrap entrapment entreat entreaty entrench entrenched entrenchment entre nous entrepreneur entrepreneurial

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