柯林斯词典limestone /ˈlaɪmˌstəʊn/ (limestones) 1. N-MASS Limestone is a whitish-coloured rock which is used for building and for making cement. 石灰巖 ...high limestone cliffs. …高聳的石灰巖峭壁。 返回 limestone剑桥词典a white or light grey rock that is used as a building material and in the making of cement 石灰石；石灰巖 返回 limestone