Only 22 percent of American eighth-graders correctly answered B, below Palestinians, Turks and Armenians.

Karen Sue, the Chinese-American mother of a fifth-grader and an eighth-grader, believes the competition within the district has gotten out of control.

凯伦·苏是一位五年级学生和八年级学生的华裔美国妈妈，她认为这个学区内的竞争已经失控了。

The girls on the Wesleyan Academy softball were waiting for their next turns at bat during practice, stamping their feet to stay warm, Eighth-grader Taylor Bisbee shivered a little as she watched her teammate Paris White play ．

卫斯理学院垒球队的女孩们在练习中等待下一轮击球,跺脚取暖,八年级学生泰勒•比斯比看着队友帕里斯•怀特打球时有点发抖。

The results painted a slightly different picture from tests administered to fourth and eighth graders in 2011 through the Trends in International Mathematics and Science Study.

这些成绩描述的图景，与国际数学和科学趋势研究中心（Trends in International Mathematics and Science Study，简称TIMSS）2011年面向四年级和八年级学生的测试结果略有不同。

Among the American students, 39 percent said they were excellent at math, compared to just 6 percent of the Korean eighth graders.

在美国学生中,39%的人说他们数学很好,而在韩国八年级学生中,这一比例只有6%。

In my 8th grade, I was told that I had to take an art class as a graduation requirement; so in the 9th grade I took Studio and Art.

八年级时,有人告诉我，我必须上美术课才能达到毕业要求,所以九年级时我上了工作室与美术课。

Emily was an eighth grader.

埃米莉是个八年级的学生。

Chen used to fold paper himself until he met Chen Changnan, an eighth-grader at his school, who also loves origami.

陈以前常常自己叠纸，后来他遇到了同样喜欢叠纸的八年级学生陈昌南。

In a recent study, eighth graders in Korea and the United States were asked whether they were good at math.

在最近的一项研究中,韩国和美国的八年级学生被问及他们是否擅长数学。

A student of Grade 8 could not understand his teacher and was doing badly in his lessons.

一个八年级的学生听不懂老师的课，学习成绩不好。

Last year, an eighth-grader in Maine suddenly heard a pop from her iPhone and her back pocket began to smoke.

去年缅因州的一名八年级学生，突然听到她的iPhone发出爆裂声，然后她的后兜就开始冒烟。

The study found that strong teachers in the fourth through eighth grades raised the skills of their students in ways that would last for decades.

研究发现，四年级到八年级的优秀老师会用各种方式提高学生的技能，而这些技能会使学生受益数十年。

Anaheim Union High School District in California ran a six-week pilot program in 2011 to stop truancy among seventh and eighth graders.

为了解决七年级和八年级学生的逃课问题，加利福尼亚州的阿纳海姆联合高中学区在2011年推出一项为期六周的GPS跟踪计划。

I'm John. I'm in Grade Eight at Rocky Mountain High School.

我叫约翰，我在洛基山高中读八年级。

Mike is already a junior.

迈克已经大学三年级了.

Are you in the third-year class?

你是读三年级 吗 ?

He left college in his junior year.

他是在大学三年级时辍学的.

It is quite unusual for a freshman to be younger than eighteen or older than nineteen.

一年级新生小于十八岁或大于十九岁是相当特殊的.

Mary is in her freshman year.

玛丽大学一年级.

Her son skipped the second grade.

她儿子从一年级跳到三年级.

The primary grades in school are grades one through three.

学校的低年级是一年级到三年级.