unburnt

例句：

1. 1. The firefighters were called to the scene of the accident, but the building was unburnt.
   消防员被叫到事故现场，但大楼未被烧毁。
2. 2. The ancient ruins are unburnt, and their history is still preserved.
   古老的遗迹未被烧毁，其历史仍然得以保存。
3. 3.The team worked tirelessly to save the unburnt remnants of the old building.
   团队不辞辛劳地努力拯救这座老建筑未被烧毁的残骸。