更新时间：2024-12-02 19:13:15
Noun:- natural family planning in which ovulation is assumed to occur 14 days before the onset of a period (the fertile period would be assumed to extend from day 10 through day 18 of her cycle)
rhythm method是什么意思 rhythm method在线翻译 rhythm method什么意思 rhythm method的意思 rhythm method的翻译 rhythm method的解释 rhythm method的发音 rhythm method的同义词
