头等的

一年级；第一级；一等品

first grades───一年级；第一级；一等品

first-grade───一年级；第一级；一等品

first-grader───一年级学生

first rate───第一流的

first-graders───一年级学生

fifth grade───五年级

first base───n.一垒的位置

first lady───第一夫人；总统夫人

first mate───（海军）大副

The first grade was allowed to leave school early.───一年级学生被允许提早离校.

I borrowed two first - grade horses from the stableman.───我向 马倌 儿借了两匹快马.

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.

Such protection zones shall be divided into first - grade protection zones and protection zones of other grades.───生活饮用水地表水源保护区分为一级保护区和其他等级保护区.

The person comes the mankind's first grade with double foot tread out.───人类最初的路是人用双脚踩出来的.

His boss made him mix inferior flour with first - grade.───老板让他把次等面搀在头等面里.

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.

He was kept in the first grade for another year.───他被留在一年级再读一年.

Attends first grade, but soon drops out again.───佛罗斯特上一年级, 但很快再次辍学.

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.

The ammonium sulphate also reached the first - grade standard.───硫酸氨也达到头级标准.

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

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.

Reading was simply a requirement for progressing from kindergarten to first grade.───阅读识字是从幼儿园升入一年级的一项必要条件.

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