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.
