Studies on the land sediment laying over the Dabie Mountains, can help us to find the change in this area and the law between this change and Huaihe river's evolvement.
通过对大别山北缘第四纪沉积物的研究，分析近百万年来该地区的地质构造变化及其变化与淮河的形成、演化的关系。
Sediment from runoff on land can cover corals or simply turn the water cloudy, cutting them off from the sunlight they need to survive.
陆地流失物中的沉淀会覆盖在珊瑚表面，哪怕仅仅使海水变混，都会导致珊瑚就无法接受日光照射而死亡。
The researchers also examined sediment samples from the sunken world and found traces of pollen and coal, suggesting land plants once resided there.
研究者们也检查了从沉没岛屿里采集的沉淀物样本发现了花粉和碳，表明岛屿上曾经有过植物生长。
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