grades是什么意思怎么读，grades怎么读的意思

graders怎么读，graders什么意思，graders短语和例句

graders怎么读，graders什么意思

英 美 

• 分级机
• 分类机
• ……年级学生
• [建]平地机（grader 的复数）

graders 常用短语

motor grader自动平地机；自行式平地机

graders 常用句子

1.Our class was studying the Gold Rush, something all California fourth graders learned.

我们班正在学习淘金热，加州所有四年级学生都学过这部分内容。

2.Twelve-hour days (less on weekends, but no days off) are common amongfirst-graders.

每天12个小时（周末会少一点，但每天都有）的学习在一年级中都很正常。

3.Those fourth graders of 1986, now all grown up, offer heartfelt reflections on all of these issues.

这些1986年的四年级女生如今都长大了，她们说出了对所有这些问题的切身感受。

4.As fifth-graders, children with early attention problems obtained average reading scores at least 3% lower than their contemporaries’ and grades at least 8% lower than those of their peers.

作为五年级学生，有早期注意力障碍的孩子的平均阅读分数至少比同龄孩子低3%，学习成绩至少比同龄孩子低8%。

5.One study showed that friendships among ninth graders were far from stable.

一项研究表明，九年级学生之间的友谊并不稳定。

6.Of her 18 eighth graders, 15 exceeded requirements, scoring in the highest bracket.

在她八年级的18名学生中，15名同学成绩名列前茅，获得很高的评价。

7.The EdX assessment tool requires human teachers, or graders, to first grade 100 essays or essay questions.

EdX评估工具要求教师或评分员首先给100篇论文或论述题进行评分。