Hegira(also Hejira), / ˈhedʒɪrə, hɪˈdʒaɪərə; hɪ`dʒaɪrə/ n the Hegira [sing]Muhammad's flight from Mecca to Medina in AD 622, from which date the Muslim era is reckoned 公元622年穆罕默德从麦加到麦地那之逃亡; 回教纪元.
牛津英汉双解词典