We have been in the same class since the first grade

一年级───first grade;班级───class

He is a first grade primary school pupil.───他是小学一年级学生.

Imply the higher protein and various vitamins, is precious fish, first grade vegetables.───含有较高的蛋白质和多种维生素, 为珍贵鱼类, 上品名菜.

Mr White teaches first grade in south Georgia.───怀特先生在佐治亚州南部教一年级。

John and Tim have been playmates since the first grade.───约翰和蒂姆从一年级起就是好朋友.

All indexes can meet the First Grade Standard of GB 8978 - 1996.───各项指标均达到GB8978—1996《污水综合排放标准》的一级标准.

When I was first grade when I started to bomb Electronic organ.───当我小学一年级时我开始弹电子琴.

Mr. White teaches first grade.───怀特先生教一年级。