emergency/ɪ'mɜːʤənsɪ $ ɪ'mɜːr-/

n. a sudden and dangerous situation that must be dealt with immediately

n. 〖复-cies/-sɪz/〗 [C; U] 紧急情况：This door should only be used in an emergency. 这扇门只能在紧急情况下使用。

◇the emergency exit紧急出口

◇an emergency room 急诊室

构词emerge + -ency

音组-ency/-ənsɪ/

agency; emergency