1.a sudden unforeseen crisis (usually involving danger) that requires immediate action;
he never knew what to do in an emergency
2.a state in which martial law applies;
the governor declared a state of emergency
3.a brake operated by hand; usually operates by mechanical linkage
名詞 n. ①緊急情況;突然事件;非常時刻:in case of ~ 若發生緊急情況/proclaim a state of ~宣布處于緊急狀態 In an emergency phone 999 for help.遇上緊急事件立刻撥999求救 The government has declared a state of emergency.政府宣布國家進入緊急狀態。 ②緊急需要 ③急癥(病人)形容詞 adj. 緊急情況下使用(或出現)的;應緊急需要的:an ~ meeting緊急會議/an ~ exit 安全門(或太平門)