详细解释:n. 门廊, 走廊
英语解释：
名词 porch:
a structure attached to the exterior of a building often forming a covered entrance例句：
A porch or balcony, usually roofed and often partly enclosed, extending along the outside of a building.游廓，走廊; 阳台阳台或走廓，通常有顶并部分封闭，沿着建筑物的外部延伸