拜斯博士和她的同事对78000位妇女进行了平均长达12个月的跟踪研究，她们的年龄在55岁到74岁之间，家族成员都没有卵巢癌患病史。

Dr Buys and her colleagues followed over 78, 000 women between the ages of 55 and 74 who had no family history of ovarian cancer, for an average of 12 months.

youdao

拜斯博士和她的同事对78000位妇女进行了平均长达12个月的跟踪研究，她们的年龄在55岁到74岁之间，家族成员都没有卵巢癌患病史。

Dr Buys and her colleagues followed over 78, 000 women between the ages of 55 and 74 who had no family history of ovarian cancer, for an average of 12 months.

youdao