中学生年龄较小用英文怎么说

中学生年龄较小用英语可以说是 "Middle school students are relatively young."
其中 "relatively young" 来自英语中 "relatively" 意为 "相对地"，"young" 意为 "年轻"。
例句：

Middle school students are relatively young, so they need more guidance and support from adults.
Although middle school students are relatively young, they have the abipty to make important decisions for themselves.
Middle school students are at a relatively young age, but they are already starting to think about their future career choices.
翻译：
中学生年龄较小，所以他们需要更多的成年人的指导和支持。
虽然中学生年龄较小，但他们有能力做出重要的决定。
中学生正处于一个相对年轻的阶段，但他们已经开始考虑他们的未来职业选择了。