男生要懂得保護女生 七大不宜采用的避孕方法
once in a while synonym - Synonyms.net “安全期”避孕 所謂的“安全期”是指女性來月經前的7天和來月經後的頭8天。人們也叫它“前七後八”。這段時間不是女性的排卵期。此時夫婦同房,一般不會使女方懷孕,所以人們把這段時間叫“安全期”。但&ldquSynonyms for once in a while at Synonyms.net with free online thesaurus, antonyms, definitions and translations. ... Princeton's WordNet occasionally, on occasion, once in a while, now and then, now and again, at times, from time to time (adverb) now and ...
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