최고the highest; top 고등학교high school 고등학생high school student; high schooler 최고가the highest price; top price 최고급the highest grade; top-level 고교high school 고급high quality; high grade 고급반class for advanced learners; the highest-level class 고급품high-end product 고급화enhancement

원고manuscript; script 원고지squared manuscript paper 원리principle; fundamental 원인cause; reason 원칙rule; principle 초원grassland; meadow; plain 평원plain; prairie 항원antigen 대원칙great principle; basic principle 대평원plain