A subcategory of physical activity that is planned, structured, repetitive, and purposive in the sense that the improvement or maintenance of one or more components of physical fitness is the objective. 这个长句子怎么翻译?顺便叫一下怎么拆分来看
A subcategory of physical activity...is the objective 这个是主句
that is planned, structured, repetitive, and purposive in the sense是physical activity的修饰定语,是个定语从句 that the improvement or maintenance of one or more components of physical fitness是the sense 的同位语,是同位语从句。