With a flick of the wand, the Marauder's Map is an enchanted piece of parchment that shows Hogwarts school and the real-time locations of everyone in it.

用魔杖轻轻一点，活点地图就从一张羊皮纸变成了一张显示霍格·伍兹学校内所有人实时位置的地图。