| 释义 |
DEFINITIVE EXAMPLES 权威例句〔Portland cement〕A hydraulic cement made by heating a mixture of limestone and clay in a kiln and pulverizing the resulting material.普通水泥：一种硬性水泥，其制法是将石灰石和粘土混合后放在窑里烧制，再将烧制出的材料粉碎而成美国传统〔smalt〕A deep blue paint and ceramic pigment produced by pulverizing a glass made of silica, potash, and cobalt oxide.大青，大青色：将由硅石、钾碱和氧化钴制成的玻璃捣碎而生产出来的深蓝色图画或陶瓷上的颜料美国传统 |