Rhythm m method安全期避孕法
Music and Rhythm Teaching Method音律教学法
economic rhythm method经济节律法
rhythm method of canetravel运杖节奏技术
rhythm control teaching method节奏控制教学法
N-SING(单数型名词) The rhythm method is a practice in which a couple try to prevent pregnancy by having sex only at times when the woman is not likely to become pregnant. 安全期避孕法 [usu 'the' N]