"final demand," 1731, from Modern Latin, from Medieval Latin ultimatum "a final statement," noun use of Latin adjective ultimatum "last possible, final," neuter of ultimatus (see ultimate). The Latin plural ultimata was used by the Romans as a noun, "what is farthest or most remote; the last, the end." In slang c. 1820s, ultimatum was used for "the buttocks."
实用例句
1. Next day the EU summit strengthened their ultimatum.
次日，欧盟峰会发出了更加强硬的最后通牒。
来自柯林斯例句
2. to issue an ultimatum
发出最后通牒
来自《权威词典》
3. He gave me an ultimatum: either Tom had to leave, or me.