1)potency,性交能力2)potent,有性交能力的3)Coitus,性交4)Sexual intercourse,性交5)Polarity alternation,极性交替6)Association between male and female,两性交往
用法例句
The aims of the present study were to examine the effects of coitus on gonadotropin and sex steroid levels in men and women,and to observe whether the hormone level changes if the orgasm occurred during sexual intercourse.
