1540s, "matter which settles at the bottom of water or other liquid," from Middle French sédiment (16c.) and directly from Latin sedimentum "a settling, sinking down," from stem of sedere "to settle, sit" (see sedentary).
实用例句
1. The sediment settled and the water was clear.
杂质沉淀后,水变清了.来自《简明英汉词典》
2. The sediment of coffee will settle.
咖啡渣会沉淀下去.来自《现代英汉综合大词典》
3. Many organisms that die in the sea are soon buried by sediment.
海洋里死亡的许多生物会很快被沉淀物掩埋。来自辞典例句
4. Deposition is the laying down of sediment that has been transported.
沉积是已搬运的物质再沉积下来.来自辞典例句
5. They sediment toward the bottom of the centrifuge tube at a velocity.
