n. a sudden unforeseen crisis (usually involving danger) that requires immediate action
n. a state in which martial law applies
词态变化
复数形式:emergencies
常见例句
1
a precaution in case of an emergency v
2
mosses n a shortened version of a written work n a structure that encloses a body part n a spacecraft designed to transport people and support human life in outer space n a pilot's seat in an airplane that can be forcibly ejected in the case of an emergency
3
n an emergency procedure consisting of external cardiac massage and artificial respiration
