相比于大陆冰川沉积物，海洋沉积物提供了更完整的更新世时期的地质记录。
Ocean sediments presented a much more complete geologic record of the Pleistocene than continental glacial deposits did.
数百万年后，强大的地质力量，比如海底火山，会掀起海洋沉积物，形成新的陆地。
After millions of years, powerful geological forces, like underwater volcanoes lift up the ocean sediments to form new land.
全新世的沉积物中含有较新的动植物遗迹，因此很容易从地质学上区分这两个时期。
Holocene sediments contain remnants of more recent plants and animals, so it's pretty easy to differentiate geologically between these two Epochs.
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