화석

In a sentence

• 이 지역에서는 다양한 종류의 화석이 발견됩니다.

  Various types of fossils are discovered in this region.

  In this sentence, '화석' refers to physical remains preserved from a past geological age, specifically fossils.

• 그는 오래된 업계에서 일하는 베테랑으로서 '산업의 화석'이라고 불립니다.

  He is called the 'fossil of the industry' as a veteran working in an old sector.

  Here, '화석' is used metaphorically to imply someone outdated or from a bygone era.

• 지구의 탄소 배출의 주요 원인 중 하나는 화석 연료 사용입니다.

  One of the main causes of carbon emissions on Earth is the use of fossil fuels.

  In this context, '화석' is part of the term '화석 연료', which refers to fossil fuels, extracted from organic matter preserved over geological times.