bounden
adj. 有责任的,必须负担的
例句
It is our bounden duty to help the disabled.
帮助残疾人是我们义不容辞的责任。
《新英汉大辞典》
Once upon a time, doctors are seen as "angels in white", life-saving is their bounden duty.
曾几何时,医生是人们眼中的“白衣天使”,救死扶伤是他们的天职。
We regard it our bounden internationalist duty to safeguard the peace and tranquility of the world.
我们认为维护世界和平稳定是我们应尽的国际主义义务。