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	Four Horsemen of the Apocalypse four-leaf clover four-letter word four-poster bed Four Seasons, The foursome four-square four-star four-star general four-stroke engine fourteen fourteenth Fourteenth Amendment fourth fourth dimension fourth estate fourthly Fourth of July Four Weddings and a Funeral four-wheel drive fowl Fowler, Henry Watson Fowles, John Fox fox

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