飞跃英语答案错误

买一本.......31.8很贵....

.(突飞猛进) leap: 飞跃发展 advance in development by leaps and bounds; 瑞典的工业近年来飞跃增长。 Swedish industry has of late years grown with leaps and bounds.2.[哲学] leap: 认识过程的一次飞跃 a leap in the process of cognition

leap或者jumpleap，美 [lip] 英 [liːp] n.跳越；跳跃；跳高；骤变 v.跳；跳跃；跳越；猛冲jump，美 [dʒʌmp] 英 [dʒʌmp] v.跳；跳跃；跨越；激增 n.跳；跳跃；激增；猛涨 adj.(爵士音乐中)急拍子的