单词	um
释义	umum /ʌm, əm/ interjection Word Origin WORD ORIGINum Origin: 1600-1700 Natural sound Examples EXAMPLES FROM OTHER DICTIONARIES So, um, I guess I'll be back around 9. used when you cannot immediately decide what to say next:  Um, yeah, I guess so.
随便看	double standard doublet double take double-talk doublethink double-time double time double vision double whammy doubloon doubly doubt doubter doubtful doubtfully doubting Thomas doubtless douche dough doughnut doughty doughy Douglas Douglas, Kirk Douglass, Frederick

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