1.
Joey had made the "team." He was in seventh grade.
他才是个七年级生，而其余的人都是八年级生。
2.
I am presently teaching ESL for grade eight at Maple Leaf junior high school.
目前我在枫叶初中教八年级英语。
3.
An Investigation on the Grade-8 Students Ability of Designing Experiment;
八年级学生设计实验能力的调查研究
4.
A Study on Testing and Evaluation of Mathematic Literacy from the Eighth Grade Students;
八年级学生数学素养测量与评价研究
5.
The Comprehension and Application of Mathematical Formulas and Rules of Middle School Students of Grade Eight
八年级学生对公式法则的理解和应用
6.
Junior high school -- for students in grades seven and eight (ages 13 and 14), although sometimes ninth grade is also included;
初级中学——供七年级和八年级的学生就读(年龄十三到十四岁)，虽然有时也包括第九年级；
7.
Standing in front of an eight-grade class at Gove Middle School in Denver,
站在丹佛市Gove中学八年级的一个教室里，
8.
Her father was a steelworker, her mother an eighth grade math teacher.
父亲是钢厂工人，母亲是八年级的数学老师。
9.
I am in Year 8 at Woodland School near London.
我在伦敦附近的澳德兰学校八年级学习。
10.
An Investigation on Eighth-Grade Students Understanding of the Concepts of Evaporation, Liquefaction and Ebullition;
八年级学生对蒸发、液化和沸腾概念理解的研究
11.
The Research of Image Compositions Functions and Teaching Methods for Geography Teaching Material of Grade 8;
八年级地理教材图像组成、功能及教学方法研究
12.
Research on the Feasibility of Placing Electrics at Eighth Grade in Junior High Schools;
初中电学内容放在八年级的可行性研究
13.
Tests and Correlation Analysis on Mathematics Cognition Levels of Grade Eight Students
八年级学生数学认知水平的检测与相关分析
14.
Competence Education Instructional Design Study on Grade-Two Maths of Junior Middle School (Grade 8) in 9 Years Compulsory Education;
九年义务教育初二阶段（八年级）数学素质教育教学设计研究
15.
There are eighteen classes in three grades.
三个年级有十八个教室。
16.
Medals will be awarded to contestants with the top three scores in each level.
比赛分四组:一到二年级，三到四年级，五到七年级，八到十一年级。
17.
High school--for students in grades nine through twelve (ages 15 through 18);
中学——供第九年级至十二年级的学生就读(年龄十五到十八岁)；
18.
Investigation on ideological and political situation of 228 junior medical students in eight-year program;
低年级八年制医学生思想政治状况现状调查