grade是什么意思

grade英音[gre?d]美音[ɡred]【中文释义】n.等级;职别;成绩等级;年级;vt.安排;依序排列 , 依等级排列;评估;评分;vi.属于…等级;缓缓地变化或发展 。
【英文释义】
Noun:
a body of students who are taught together;
"early morning classes are always sleepy"
a relative position or degree of value in a graded group;
"lumber of the highest grade"
the gradient of a slope or road or other surface;
"the road had a steep grade"
one-hundredth of a right angle
a degree of ablaut
a number or letter indicating quality(especially of a student