추진propulsion; pushing; driving 후진국underdeveloped country; less developed country 선진being advanced 선진국advanced country; developed country 직진straight movement 진로course 진출expansion 진학entrance to a higher education institution 진행progress 진행자host; emcee

군인soldier 군대military; troops 군사soldier; military; army 응원군reinforcements; troop support 청군blue team 학군단ROTC; Reserve Officers' Training Corps 해군navy; naval force 행군march; parade 회군withdrawal; retreat 강행군working intensively; working excessively