She felt it incumbent upon/on her to raise the subject at their meeting. 她感到她有义务在他们的会上提出这个问题。

It is incumbent on us all to speak out when we see injustice.

We believe it is incumbent upon scientists to do a better job of communicating with the public.

It is incumbent on the fuel industry to work cooperatively with the government.

It is incumbent on the board of directors to take swift action.

incumbent

noun [ C ] uk/ɪnˈkʌm.bənt/ us/ɪnˈkʌm.bənt/

现任者，在职者

the person who has or had a particular official position

the first/last/previous incumbent 第一任／上一任／前任

The present incumbent (of the post) is due to retire next month. （此职位的）现任者将于下个月退休。