/ˌpri:ˈmenstruəl ||; priˈmɛnstruəl/adj happening or experienced before a woman loses blood each month (menstruation) 月经前的: Many women suffer from premenstrual syndrome, causing headaches and depression. 许多妇女患月经前综合症，会头疼和情绪低落。 ☞ Look at PMS⇒. 参看 PMS⇒。