Overall,women who had used any oral contraceptive had a 50 percentreduction inthe risk of developing ovarian cancer than women who hadnever takenthe Pill, the investigators report.是什么意思_Overall,women who had used any oral contraceptive had a 50 percentreduction inthe risk of developing ovarian cancer than women who hadnever takenthe Pill, the investigators report.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句