keep fit 还有“纤体”、“塑身”、“美体”、“健美”这些词改怎么翻译?

keep fit 还有“纤体”、“塑身”、“美体”、“健美”这些词改怎么翻译? keep( )fit keep fit keep fit fit是什么词性? how to keep fit? Keep fit的意思 we want to keep fit keep fit的中文是什么? Should we dietto keep fit 用keep ourselves fit造句 E______can help one keep fit keep fit stairs 什么意思 与形容词连用的动词还有哪些 例如：keep fit ,stay healthy keep fit和keep healthy区别? keep fit =keep slim吗? keep fit =keep healthy还是=keep beautifui keep fit fit是什么词性?这句话怎么解释? keep fit both in body and mind 还有to be stong in body and healthy in mind