sediment layers
沉积层
analyzing sediments
分析沉积物
sediment core
沉积物芯
fine sediments
细沉积物
sediments accumulate
沉积物累积
ancient sediments
古沉积物
sediment transport
沉积物运输
sediment samples
沉积物样本
sediment analysis
沉积物分析
sediment record
沉积记录
geologists study the layers of sediments to understand past environments.
地质学家研究沉积物的层来说明过去的自然环境。
the river carried sediments downstream, depositing them on the floodplain.
河流将沉积物向下游运输，并将它们沉积在洪泛区。
analyzing sediments can reveal clues about ancient climates and ecosystems.
分析沉积物可以揭示关于古代气候和生态系统的线索。
fine sediments settled at the bottom of the lake over many years.
细小的沉积物在湖底沉淀了许多年。
the sediments contained fossilized remains of prehistoric organisms.
沉积物中含有史前生物的化石遗迹。
erosion transported sediments from the mountains to the coastal plain.
侵蚀将沉积物从山区运输到沿海平原。
sediments are often used in construction for creating concrete mixtures.
沉积物通常被用于建筑中，用于制造混凝土混合物。
the sediments showed evidence of repeated flooding and drying cycles.
沉积物显示了反复洪涝和干旱周期的证据。
we collected sediment samples from the riverbed for laboratory analysis.
我们从河床采集了沉积物样本，以便进行实验室分析。
the presence of heavy metals in sediments raised environmental concerns.
沉积物中重金属的存在引起了环境问题。
marine sediments accumulate on the ocean floor over geological timescales.
海洋沉积物在数百万年的地质时间尺度上积聚在海底。
sediment layers
沉积层
analyzing sediments
分析沉积物
sediment core
沉积物芯
fine sediments
细沉积物
sediments accumulate
沉积物累积
ancient sediments
古沉积物
sediment transport
沉积物运输
sediment samples
沉积物样本
sediment analysis
沉积物分析
sediment record
沉积记录
geologists study the layers of sediments to understand past environments.
地质学家研究沉积物的层来说明过去的自然环境。
the river carried sediments downstream, depositing them on the floodplain.
河流将沉积物向下游运输，并将它们沉积在洪泛区。
analyzing sediments can reveal clues about ancient climates and ecosystems.
分析沉积物可以揭示关于古代气候和生态系统的线索。
fine sediments settled at the bottom of the lake over many years.
细小的沉积物在湖底沉淀了许多年。
the sediments contained fossilized remains of prehistoric organisms.
沉积物中含有史前生物的化石遗迹。
erosion transported sediments from the mountains to the coastal plain.
侵蚀将沉积物从山区运输到沿海平原。
sediments are often used in construction for creating concrete mixtures.
沉积物通常被用于建筑中，用于制造混凝土混合物。
the sediments showed evidence of repeated flooding and drying cycles.
沉积物显示了反复洪涝和干旱周期的证据。
we collected sediment samples from the riverbed for laboratory analysis.
我们从河床采集了沉积物样本，以便进行实验室分析。
the presence of heavy metals in sediments raised environmental concerns.
沉积物中重金属的存在引起了环境问题。
marine sediments accumulate on the ocean floor over geological timescales.
海洋沉积物在数百万年的地质时间尺度上积聚在海底。
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