Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration. 以硝酸银标准溶液，采用电位滴定法，连续测定酸性镀铜光充剂中的巯基杂环化合物和硫脲衍生物的含量。
Will this paint give a gloss or a matt finish? 这种颜料有无光泽?
I polished my shoes to give them a gloss. 我擦了皮鞋使其光亮。
I couldn't understand the book without the gloss. 没注解我看不懂那本书。
It is bad policy to gloss over the difficulties. 掩盖困难是不明智的。