片语
annual reproductive cycle年生殖周期
changes of reproductive cycle繁殖周期变化
lunar reproductive cycle月运生殖周期
infertile reproductive cycle未孕繁殖周期
reproductive cycle of sow母猪繁殖周期
male reproductive cycle雄性生殖周期
semilunar reproductive cycle半月龄生殖周期
cell reproductive cycle或细胞繁殖周期