등에는

In a sentence

• 그는 등에는 커다란 짐을 짊어지고 있었다.

  He was carrying a large burden on his back.

  Here, '등에는' specifies the back ('등') of the person and indicates the burden was located 'on' it, serving as a locative marker.

• 나는 등에는 땀이 흠뻑 젖은 상태로 운동을 끝냈다.

  I finished exercising with my back completely soaked in sweat.

  In this sentence, '등에는' points to the back being the location of the sweat and emphasizes the physical condition.

• 어린 아이가 엄마의 등에는 타고 있었다.

  A small child was riding on their mother's back.

  Here, '등에는' describes the specific position ('on their back') of the child, denoting physical location.