He was on his annual pilgrimage to Mecca when he fell ill.

他在一年一度前往朝圣的途中病倒了。

If he goes back and enters ihram from there, he does not have to offer a sacrifice.

此外，牺牲必须是在宰杀，其施给当地的穷人。

Intensity scales, like the Modified Mercalli Scale and the Rossi-Forel scale, measure the amount of shaking at a particular location.

地震烈度，如修利地震烈度和罗西福瑞震级，表示特定地区的地表震动强度。

Intensity scales, like the Modified Mercalli Scale and the Rossi-Forel scale, measure the amount of shaking at a particular location.

地震烈度，如'''修利地震烈度'''和'''罗西福瑞震级'''，表示特定地区的地表震动强度。

On this day in 622, the prophet Muhammad completes his Hegira, or “flight,” from Mecca to Medina to escape persecution.

公元622，先知穆罕默德完成了他从到地那的流亡或“逃跑”，避免了被处决。