convulsion

n.震撼；动乱；骚乱

convict, convict...of, conviction, convince, convince sb. of sth, convince sb. to do sth., convinced, convincible, convincing, convincingly, convivial, conviviality, convivially, convocation, convoke, convoluted, convolution, convolvulus, convoy, convulse, convulsive, convulsively, cony (also coney), coo, cook, cookbook, cooker, cookery, cookery book (also `cookbook), cookhouse, cookie (also cooky), cooking, cool, cool-headed, coolant, cooler, coolie, cooling, cooling tower, cooling-off,