词汇	free-and-easy manner
释义	free-and-easy manner 无拘无束的举止
随便看	central radio station central randomization system central random variable central rate central rate against ecu central rate against ECU central rate against ECUEuropean currency unit central ray central rays central ray x.beam central reactivity coefficient central reactor flux central readjustment Central Real Estate Office central realxant central receiver Central Receiving and Shipping Point central receiving dpt Central Receiving Point central receptor central reciprocal lattice central reconnaissance establishment central records facility Central Records Repository central recreation district