biogenic sediment

例句：

1. 1. The study of biogenic sediment provides valuable insights into the evolution of life on Earth.
   研究生物沉积物有助于我们了解地球上生命的起源。
2. 2.The riverbank is covered in a thick layer of biogenic sediment, making it difficult to walk on.
   河岸上覆盖着一层厚厚的生物沉积物，行走起来很困难。
3. 3.The research team focused on studying the biogenic sediment in the area, hoping to uncover more about its environmental impact.
   研究团队专注于研究该地区的生物沉积物，希望了解更多关于其环境影响的信息。