英 [ɪnˈkʌmbənt] 美 [ɪnˈkʌmbənt]
adj. 在职的，现任的；职责所在的，义不容辞的；（公司）占市场份额大的
n. 在职者，现任官员；教区牧师，领圣俸者
复数incumbents
incumbent /ɪnˈkʌmbənt/ CET6+ TEM8
可数名词 An incumbent is someone who holds an official post at a particular time. 在职者
In general, incumbents have a 94 percent chance of being re-elected.
一般情况下，现任官员有94%的几率会再次当选。
形容词 Incumbent is also an adjective. 在职的
...the only candidate who defeated an incumbent senator.
…惟一击败了现任参议员的候选人。
形容词 If it is incumbent on or upon you to do something, it is your duty or responsibility to do it. 有责任履行的
She felt it was incumbent on herself to act immediately.
她感到立即采取行动是她义不容辞的责任。
the official who holds an office
同义词： officeholder
lying or leaning on something else
an incumbent geological formation
necessary (for someone) as a duty or responsibility; morally binding
it is incumbent on them to pay their own debts
currently holding an office
the incumbent governor
在位者-引用次数：12
It is generally believed that the existence of network effect will give the incumbent "first-mover advantage" on installed base.
一般认为,网络效应的存在,会使市场在位者拥有用户基础(installed base)上的“先行优势”。
参考来源网络效应、新产品进入和政策分析
在任者-引用次数：1
现任的
在任的
现任者
上覆的
(花药)内曲的；(子叶)背倚的
（花药）内曲的
内曲的;背倚着的
传统运营商
彩票赈灾义不容辞(Incumbent)，在世界各地，彩票除了在社会生活中扮演着越来越重要的角色，也正在成为人们传递友情、奉献爱心、彰显大爱的最好选择。
... imperative 紧急的，必须的；命令的，强制的 incumbent 成为责任的，必须履行的；现任者，在职者 compulsory 法律规定的，规章要求的；强制的，必不可少的；非常重要的 ...
... rendering 翻译方式;译文/表现;描写;演出/提供;归还 incumbent 现任的,在职的 formulate 系统地阐述(或说明)/规划(制度等);想出(计划等) ...
... unscrupulous adj. 肆无忌惮的；寡廉鲜耻的；不讲道德的 incumbent n. 在职者；现任者；领圣俸者 landslide n. 山崩；以压倒优胜获胜 ...
She felt it was incumbent on herself to act immediately.
她感到立即采取行动是她义不容辞的责任。
Incumbent officeholders are difficult to defeat at the polls.
现任官员很难在选举中被击败。
The tight race is almost a duplicate of the elections in Georgia and South Dakota last month that pitted a Republican challenger against a Democratic incumbent.
这次紧张的竞选几乎是上个月在佐治亚州和南达科他州选举的翻版，由一个共和党的挑战者竞争一个现任的民主党人。
But political scientist Larry Sabato at the University of Virginia thinks the media has overstated anti-incumbent feelings.
VOA : special.2010.06.12
They will vote in November for the most part. But for now, we don't see the kind of ant-incumbent wave that many have been discussing."
VOA : special.2010.06.12
But incumbent Republicans have also lost primary races this year.
VOA : special.2010.06.12
If they win now, they will have a voter-tested incumbent running for a full term in 2014.
Too often boards retreat into complacency and dependency after years of strong leadership by the incumbent.
It is incumbent on business owners to stay informed, work with their advisors and be proactive.