从6岁起儿童必须接受学校教育，但很多孩子在4岁起就开始上学前班。

Children must start school by age six, but many go to preschool at age four.

youdao

从6岁起儿童必须接受学校教育，但很多孩子在4岁起就开始上学前班。

Children must start school by age six, but many go to preschool at age four.

youdao