那一个省在加拿大拥有最大的奶品农业: which province has the largest dairy farming industry in canada
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
