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(shí)刻:in case of ~ 若發(fā)生緊急情況/proclaim a state of ~宣布處于緊急狀態(tài) 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(guó)家進(jìn)入緊急狀態(tài)。 ②緊急需要 ③急癥(病人)形容詞 adj. 緊急情況下使用(或出現(xiàn))的;應(yīng)緊急需要的:an ~ meeting緊急會(huì)議/an ~ exit 安全門(mén)(或太平門(mén))