Pre-Hegira大流亡前
同义词:Hejira
同义词:exodushejira
N(名词) the departure of Mohammed from Mecca to Medina in 622 ad; the starting point of the Muslim era 圣迁; 默罕默德于公元622年离开麦加迁往麦地那,开启了穆斯林时代