单词	spermatogenesis
释义	spermatogenesis /ˌspəːmətə(ʊ)ˈdʒɛnɪsɪs / /spəˌmatə(ʊ)ˈdʒɛnɪsɪs/ noun [mass noun] Biology The production or development of mature spermatozoa.Reproductive maturity is achieved with the establishment of regular menstruation and ovulation in females and mature spermatogenesis in males.... Its production - spermatogenesis - involves cell divisions and reorganization of chromosomal material, which generates genetic diversity. The strategy for spermatogenesis - the production of sperm - is different.
随便看	put into action Putin, Vladimir put it (or oneself) about put it there put lipstick on a pig putlock putlog putlog hole put money (or put one's money) on puto put-off put off the evil day (or hour) put-on put one over on put one's affairs in order put one's back into put one's best foot forward put oneself in another's place put one's face on put one's feet up put one's finger in the dyke put one's finger on something put one's foot down put one's foot in it (or put one's foot in one's mouth) put one's hand in one's pocket

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