여학생female student 여자woman 남녀men and women 자녀children 여왕queen 남녀man and woman 손녀granddaughter 여성woman 여자woman 여학생female student

비밀secret; covertness 변비constipation 변비약laxative; constipation medicine 비결secret; know-how 비밀문서secret document; confidential document 비법secret; magic formula; know-how 신비mystery 극비top secret 극비리top secret; absolute secrecy 묵비권right to silence

교과서textbook 도서관library 독서reading 서류document; papers 서점bookstore 엽서postcard 추천서letter of recommendation; letter of reference 가입서registration documents 계산서check; bill 계약서contract; written agreement