개발했다

In a sentence

• 그는 새로운 앱을 개발했다.

  He developed a new app.

  Here, '개발했다' refers to the act of creating or developing something innovative or new, such as software or an application.

• 우리 팀은 이 프로젝트를 성공적으로 개발했다.

  Our team successfully developed this project.

  In this context, '개발했다' indicates the work accomplished collaboratively to complete development efforts on the project.

• 그 기술은 오랜 연구 끝에 개발되었다.

  The technology was developed after long research.

  Here, the passive form '개발되었다' is used to indicate that the development was the result of research efforts.