“脊”字开头的组词：脊骨、脊背、脊鳍、脊梁、脊椎、脊线、脊索、脊柱、脊髓 “脊”字的成语组词：蹿房越脊、五脊六兽、竖起脊梁、飞檐走脊、戳脊梁骨 “脊”字结尾的组词：龙脊、山脊、屋脊、贫脊、正脊、戗脊、...