콤마의 용법을 모두 구별해주세요 For years many scientists were convinced that taking supplements of
콤마의 용법을 모두 구별해주세요 For years many scientists were convinced that taking supplements of
For years many scientists were convinced that taking supplements of the antioxidant, beta-carotene, related to vitamin A, would reduce the risk of certain cancers and heart disease.
다수의 과학자들이
베타카로틴이 질병 예방에 효과적이라고 믿었습니다.