那些污泥坑中被称之为有孔虫的微小生物以及一些植物等其他物质不断堆积，形成了对海平面上升情况的自然记录。
That steady accumulation of muck traps tiny organisms called foraminifera, plant matter and other substances that form a natural record of sea level rise.
在下头烂污泥浆齐膝的地方，扔在泥坑里，水坑里。
They are put down below, where the mud is up to your knees, in the damp places.
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