ultimatum
n. 最后通牒
名词复数：ultimatums
近义词：challenge，demand，requirement，stipulation，petition，proposition，proviso，lastword，
双解释义
n.(名词)
- [C] 最后通牒 a final demand that sth be done (usually made with a threat of punishment)
英英释义
Noun
- a final peremptory demand
例句
用作名词(n.)
- This ultimatum was bound to create a grave crisis.这一纸最后通牒必然会引起严重危机。
- They delivered an ultimatum to that country.他们给那个国家下了一道最后通牒。