词汇	public positions
释义	public positions 公职
随便看	principal route principal rules principals principal saddle principals at basic educational sector principal scale principal screw principal screw theory principal search direction Principal Sea Transport Officer principal secondary focal length principal secretary principal section principal section of a quadric principal section of crystal principal section of quadric principal section plane principal sector principal sensory nucleus principal sensory nucleus of trigeminal nerve principal sentence principal series principal series line principal series lines principal server