埃及自古代起就使用釉料.Glazes had been used from ancient times in Egypt.2.釉料的脱羟基温区较宽,胎料的脱羟基温区较窄,这对保证天青色汝瓷的质量是有益的.They are beneficial to ensure the quality of sky - green Ru porcelain.并说明了其在陶瓷釉料生产中所扮演的重要角色.It explains important role...
I went everywhere for treatment, tried all sorts of quacks.我四处求医，看过了各种各样的江湖郎中。Hard - working medical men may come to be almost as mischievous as quacks.辛勤工作的医生可能变成江湖郎中那样的骗子.When you go to the fair, beware of the quacks s...
The airlines have invested enormous sums in new, quieter aircraft.航空公司投入了大笔资金购买噪音较小的新型飞机。Each week she meticulously entered in her notebooks all sums received.每个星期她都细心地在笔记本上记下所有收到的款项。I can't do my sums.我算不出来。...