化石

The dinosaur fossilised in this rock formation is millions of years old.
恐龙在这块岩石结构中化石化，已有数百万年历史。
After the storm, they found a fossilised tree trunk in the forest floor.
暴风雨过后，他们在森林的地面上发现了一根化石化的树干。
Scientists carefully extracted the fossilised remains from the sediment layers.
科学家们小心翼翼地从沉积层中提取出化石化的遗骸。
The ancient human footprints were beautifully fossilised in the rock.
那些古老的足印在岩石中被完美地化石化了。
Fossilisation preserves the shape and structure of organisms, providing crucial clues about evolution.
化石化保存了生物的形状和结构，为理解进化提供了关键线索。
The museum exhibits showcased a variety of fossilised creatures from prehistoric times.
博物馆的展览展出了各种史前时代的化石化生物。
The paleontologist studied the fossilised leaves to understand the plant life of the era.
古生物学家研究这些化石化的叶子以了解那个时代的植物生活。
The discovery of well-preserved fossilised eggs is considered a rare find in paleontology.
发现完好化石化的蛋被认为是古生物学中的罕见发现。
Over time, the once-living organism was gradually replaced by minerals, a process known as fossilisation.
随着时间的推移，曾经有生命的有机体逐渐被矿物质取代，这就是化石化过程。
Fossilisation can occur under various conditions, such as when an organism gets trapped in sediment or quickly buried by volcanic ash.
化石化可以在多种条件下发生，比如当生物被困在沉积物或被火山灰迅速掩埋时。