reproductive cycle

• 生殖周期,再生循环

reproductive cycle的用法和样例：

例句

1. It is thought that the female sex hormone oestrogen - produced at higher rates during a woman's reproductive life - raises the risk of these diseases.
   据说女性在生殖周期内分泌更多雌性激素使得她们更易于染上这些疾病。