자동차automobile 자동문automatic door 자동automatic 자력one's own effort 자국one's own country 자기소개self introduction 자동차car; automobile 자동판매기vending machine 자신self; oneself 자연nature

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