1.
Billy is fourteen years old and in the ninth grade.
毕利十四岁,在上九年级。
2.
a public secondary school usually including grades 9 through 12.
通常包括九年级到十二年级的公立中学。
3.
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)；
4.
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；
5.
referring to an intermediate stage of education usually centering on grades 6 or 7 through 8 or 9.
指教育的中间阶段，常位于六、七年级到八、九年级之间。
6.
a school for students intermediate between elementary school and college; usually grades 9 to 12.
处于小学和大学中间的学校；通常从九年级到十二年级。
7.
From there, students go on to junior high school until eighth or ninth grade.
从这时候，学生开始上中学，直到八或九年级。
8.
Jon, a ninth-grader, knocked on doors in his neighborhood.
九年级学生乔恩在他的邻近地区挨家挨户敲门。
9.
Situation Creating in Grade-Nine Chemistry Teaching and the Raising of Students Learning Interests;
九年级化学教学情境创设与学生学习兴趣培养
10.
Principles and Prospects of English Test for Grade 3 in Junior Middle School;
初三(九年级)英语检测题命题原则及题型展望
11.
Study on Effective Strategy of Grade 9 History Revision under the New Curriculum Reform
新课程下九年级历史有效复习策略的研究
12.
The Research of Quadratic Function Curriculum Resource Exploitation Based on PowerDirector in Ninth Grade
PowerDirector下九年级一元二次函数课程资源的开发研究
13.
The Arrangement Feature and Education Function of the Chemistry History in Ninth-Grade Chemistry Textbook
九年级化学教材中化学史的编排及教育功能
14.
Ming-yi Hovenia wall Flower--PEP "language" Refers to the Ninth Grade on the List of Flaws
枳花明驿墙——人教版《语文》九年级上册指瑕
15.
The Polarization of the Peasantry in China from 1949 to 1956;
一九四九年至一九五六年的中国农民阶级分化
16.
I'm in Class 9, Grade 1, of the No. 15 Middle School.
我在十五中一年级九班学习。
17.
In 1954, it was changed to a regional level city under Sichuan Province's jurisdiction.
一九五四年改为地级市，由四川省管辖。
18.
The percentage of awards at grade E and above for day school candidates in A-level subjects was 74.4, which was the same as 1998.
在今年高级程度会考日校考生报考的科目中，考获E级或以上的占74.4%，与一九九八年相同。