imperative
- adj. 必要的，不可避免的；紧急的；命令的，专横的；势在必行的；[语]祈使的
- n. 必要的事；命令；需要；规则；[语]祈使语气
考试真题
- It is imperative to protect scientists' patents.
出自-2017年6月阅读原文
- It is most imperative to focus our efforts on the elimination of income inequality.
出自-2015年12月阅读原文
- It's imperative for us to embrace a workplace revolution.
2019年12月六级真题（第二套）听力 Section C
- Beethoven’s music tends to move from chaos to order as if order were an imperative of human existence.
出自-2014年考研翻译原文