conversion

n.转变，变化

convenient, conveniently, convent, convention, conventional, conventionality, conventionalize, conventionalize, -ise, conventionally, conventions, converge, convergence, convergent, conversance, conversant, conversation, conversational, conversationalist, converse, conversely, convert, convert into, converter, convertor, convertibility, convertible, convex, convexity, convey, conveyance, conveyancer, conveyancing, conveyor, conveyer, convict, convict...of, conviction, convince, convince sb. of sth, convince sb. to do sth., convinced, convincible,