☞n. [sI′ment] 双解释义1. 水泥gray powder, made by burning lime and clay, that sets hard after mixing water and is used in building to stick bricks together or for making very hard surfaces 2. 接合剂,黏合物any similar soft substance that sets f......(本文共 1460 字) [阅读本文] >>


说明: 本文档由创作者上传发布,版权归属创作者。若内容存在侵权,请点击