grades的音标？

n.（官阶、质量）等级( grade的名词复数 )， 年级， （考试或作业的）分数， （学生受测试的）技巧水平（尤指音乐方面）v.（官阶、质量）等级( grade的第三人称单数 )， 年级， （考试或作业的）分数， （学生受测试的）技巧水平（尤指音乐方面）...

There was a lot of pressure on you to obtain good grades.你背负了拿到高分的巨大压力。Staff turnover is particularly high among junior grades.基层职员的流动率特别高。Are you in high school or are you still in the grades?你上中学了,还是仍在上小学?...

Different grades of crystal polystyrene molding pellets range from 150,000 to 350,000 weight average molecular weight.不同牌号的结晶聚苯乙烯模塑粒料平均分子量范围从150,000-350,000.What factors does he take into consideration in determining the...