obligate

使负有义务、责成、强制常用被动

The contract obligates the company to repair any defects within a year.

合约规定公司有义务在一年内修复任何瑕疵。

迫使、逼使正式

Her sense of duty obligated her to stay until the job was finished.

责任感迫使她留下来，直到工作完成为止。

拨定、承诺拨付美式，财经

The agency has already obligated most of this year's funds.

该机构已经拨定今年大部分的经费。

专性的、绝对的生物学

These bacteria are obligate anaerobes and die when exposed to oxygen.

这些细菌属于专性厌氧菌，接触氧气就会死亡。