middle school student。
中学生。
例句：
1、一些中学生在百货商店外面看橱窗。
Some middle school students are window-shopping outside the department store.
2、但是他们表示在下一个满月之前，将需要全国的中学生来帮助他们理解即将发生的环境灾难，这个秘密是他自行可以揭开的。
But they project that before the next full moon, they will need the help of middle-schoolers across the country to understand an impending environmental disaster, secrets that they alone can uncover.
3、Middle school students? view of females?
中学生女性性别角色观在五个维度上，性别差异明显。
4、图中有两名中学生，每人手中拿着一份试卷，高分的看起来很高兴，而低分的却情绪低落，但是，前者的能力真的比后者强吗?
Each has an examination paper in his hand. The one With a high score looks very happy while the other with a low score is quite sad.