This is the 5265th most frequent Korean word.
대만과
"대만과" means "Taiwan and" in English.
대만과 here indicates 'Taiwan' interconnected to another entity (China) through a relationship.
나는 중국과 대만과의 관계에 대해 공부하고 있어요.
I am studying the relationship between China and Taiwan.
대만과 acts as a compound subject, connecting Taiwan with another area (Hong Kong).
대만과 홍콩은 아시아의 중요한 경제 지역입니다.
Taiwan and Hong Kong are important economic regions in Asia.
대만과 functions as part of a list of destinations, linking Taiwan and Japan sequentially.