man of young and middle-aged  中青年男性

normal young and middle-aged people  青壮年

the young and middle patients  中青年

the young and middle-aged  中青年

young and middle age  中青年

Young and middle aged  中青年

young and middle aged plantation  中幼龄人工林

Young and middle aged women  青壮年

Young and middle-aged  中青年; 中青年人

young and middle-aged adults  中、青年

young and middle-aged forest  幼中龄期

Young and middle-aged forests  中幼林

young and middle-aged patients  中青年

Young and middle-aged patients with cerebral hemorrhage  中青年脑出血

young and middle-aged people  中青年; 教职员工

Young and middle-aged residents  中青年

Young and middle-age men  中青年男性

young and middle-age  青中年

adolescent and young adult women  青少年女性