incumbency
Longman Dictionary of Contemporary English 5++LDOCE 5++in·cum·ben·cy /ɪnˈkʌmbənsi/ noun (plural incumbencies) [countable usually singular, uncountable] formal PGOBECthe state of holding an official position, especially in politics, or the time when someone holds an official position 〔尤指政治职位的〕任职；任期
Examples from the Corpus
incumbency• Bryan said gubernatorial incumbency can be both an advantage and liability when running for the Senate.• In his present incumbency he takes a company into its twelfth season this spring looking remarkably solid and healthy.• Frankly, this is where the power of the incumbency is strong.• This attitude is long-standing and transcends party lines, having more to do with incumbency than partisanship.in·cum·ben·cy nounChineseSyllable
especially the official of holding position, state an Corpus in
incumbency
in‧cum‧ben‧cy /ɪnˈkʌmbənsi/
noun (plural incumbencies) [countable usually singular, uncountable] formal
the state of holding an official position, especially in politics, or the time when someone holds an official position
in‧cum‧ben‧cy /ɪnˈkʌmbənsi/
noun (plural incumbencies) [countable usually singular, uncountable] formalthe state of holding an official position, especially in politics, or the time when someone holds an official position