Calcium silicate
硅酸钙
🧩 词语组成解析
silicate
['silikit]
n. 硅酸盐;
🗣️ 情景例句
All right.
很正确。
To live in the library
过着研究的生活
Many people in industry and the Services, who have practical experience of noise,regard any investigation of this question as a waste of time;
在工业部门工作和在军队中服役的许多人对噪音有切身的体会，他们认为对这个问题进行调查是浪费时间，