您要查找的是不是：
- Any of various green rocks, such as serpentine. 蛇纹石一种绿色岩石，如蛇纹大理岩
- The concrete walls are reinforced with steel rods. 混凝土墙是用钢筋加固的。
- We need a hoist to lift the concrete blocks. 我们需要一台起重机来吊起混凝土块。
- The machine rests on a bed of concrete. 机器安装在混凝土基座上。
- That new concrete building is an abomination. 那座新混凝土建筑是个讨厌的东西。
- serpentine concrete 蛇纹石混凝土
- The road was paved with concrete. 路面由混凝土铺成。
- Have you got any concrete proposals? 你有没有具体的建议呢?
- The house is made of stone, not concrete. 那房子是石造的，不是混凝土造的。
- Tom tumbled over and hit his head on the concrete. 汤姆摔倒，头撞到水泥地。
- One part of the Serpentine is kept for swimmers. 蜿蜒河的一段划为游泳区。
- The statue rests on a bed of concrete. 这座雕像立在混凝土的基座上。
- The front of the house was faced with concrete. 房屋正面涂著一层混凝土。
- In the concrete, the theory is far from perfect. 实际上,这一理论远远不够完善。
- These buildings are made of concrete and steel. 这些房屋是用钢筋混凝土建成的。
- From each island proceeded a serpentine trail. 每一个绿岛旁边，都伸出一道蜿蜒曲折的踪迹。
- Shoes and trees are concrete objects. 鞋和树是实物。
- The word "apple" is a concrete noun. "苹果"是个具体名词。
- The serpentine lakeshore is 128km long. 的蛇纹石湖岸是128公里长。
- The bare concrete floor was cold on my feet. 水泥地没铺地毯，我的脚感到很凉。
