分级: grade; classify; classification; gradation; grading; sorting; sizing; fraction 短语和例子把棉花分级 grade the cotton; 他将学生们按能力分级。 he graded the students according to ability. 牛奶是分级出售的。 milk is sold
检: Ⅰ动词1.(查) check up; inspect; examine 短语和例子检定 examine and determine2.(约束; 检点) restrain oneself; be careful in one's conduct 短语和例子行为不检 depart from correct conductⅡ名词(姓氏) a surname 短语和例子检其明 ji
