n.沉淀物，沉积物

原形：sediment复数：sediments

The river deposits sediment at its mouth, creating a delta.
河流在入海口沉积泥沙，形成了一个三角洲。
Over time, the layers of sediment harden into rock.
经过时间的推移，沉积层逐渐硬化成岩石。
Sediment from erosion can smother aquatic life and harm water quality.
侵蚀产生的沉积物会覆盖水生生物，影响水质。
Geologists study sediment to understand past climates and environments.
地质学家通过研究沉积物来了解过去的气候和环境。
The rapid settling of sediment in the tank is a sign of effective water treatment.
罐中沉积物快速沉淀是水质有效处理的标志。
The ocean floor is covered with thick layers of sediment.
海底覆盖着厚厚的沉积层。
The process of sedimentation can purify water by removing suspended particles.
沉淀过程通过去除悬浮颗粒可以净化水。
Sediment cores extracted from the sea bed provide valuable information about Earth's history.
从海床提取的沉积物岩芯为研究地球历史提供了宝贵信息。
After heavy rain, sediment runoff can cause turbidity in lakes and streams.
大雨过后，冲刷下来的沉积物会导致湖泊和溪流浑浊。
The river's sediment load has decreased due to upstream deforestation.
由于上游森林砍伐，河流的泥沙负荷减少了。