常見例句雙語例句Prolonged periods of amenorrhea, the absence of menstruation, before menopause also increases the risk of osteoporosis.絕經(jīng)期來臨之前的長時間閉經(jīng)和月經(jīng)未來也會增加骨質(zhì)疏松的風險。 返回 prolonged menstruation