The tissue and cartilage of a nose are too soft to fossilize.鼻部的组织和软骨结构太软,无法形成化石。
Then there is fossilized pollen, from low shrubs and grasses that once grew in the Sahara.还有一些石化的花粉,来自于曾经生长在撒哈拉的小灌木丛和草丛。