발사대에

In a sentence

• 로켓이 발사대에 준비되어 있었다.

  The rocket was prepared at the launch pad.

  The word '발사대에' refers to the location, 'at the launch pad', indicating the placement of the rocket.

• 그는 발사대에 올라가 다음 단계를 점검했다.

  He went up to the launch pad to inspect the next stage.

  Here, '발사대에' indicates the place 'on the launch pad' where the individual performed an action.

• 발사대에 결함이 생겨 발사가 연기되었다.

  A defect occurred at the launch pad, causing the launch to be delayed.

  In this sentence, '발사대에' indicates 'at the launch pad', referring to where the defect occurred.