单词	de rigueur
释义	de rigueurde ri‧gueur /də riːˈɡɜː $ -ˈɡɜːr/ adjective [not before noun] Word Origin WORD ORIGINde rigueur Origin: 1800-1900 French ‘of strictness’ Examples EXAMPLES FROM OTHER DICTIONARIES Tuxedos are de rigueur at the event. considered to be necessary if you want to be accepted, fashionable etc – used humorously:  the gleaming white teeth that are de rigueur for movie stars
随便看	undersexed undershirt undershorts underside undersigned undersized understaffed understand understandable understandably understanding understate understated understatement understood understudy undersubscribed undertake undertaker undertaking under-the-counter undertone undertow underused undervalue

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