Cements
[si'ments]
例句:
- We know that the Romans and other ancient peoples had their hydraulic cements, and the plaster on some of their walls stands to-day to attest its good quality. 威廉·亨利·杜利特. 世纪发明.
- One of the improvements in the manufacture and use of modern _cements_ and artificial stones consists in their application to the making of streets and sidewalks. 威廉·亨利·杜利特. 世纪发明.
- Miscellaneous H istory of various Artificial Materials ,--Ena mel, Porcelain, various cements, etc. 李贝. 西洋科学史.
校对:奥斯瓦德