in a shape of与in the shape of一样吗

in a shape of，表示以一种……的形状，in the shape of，表示形状为……，例如： 1.Look, it is in a shape of octagon and it has eight extending eaves, with yellow glazed tiles on the roofs.看，它是八角形，它有八个突出的屋檐。屋顶上是黄色的瓦片。 2.It is...