詞源:
sed 坐 + ment 構成抽象名詞 -> 坐着（不動）的東西 -> sediment 沉澱物
n. 沉積沉澱物He dumped the tea sediment and washed all the cups.
他倒掉了茶渣，清洗好了所有的杯子。
Sediment can move with water， wind， or glaciers.
沉積物沉積物可以隨水、風或冰川移動。
Organisms preserved in sediment may become fossils.
儲存在沉積物中的有機物可能成爲化石。
Many organisms that die in the sea are soon buried by sediment.
許多在海里死亡的生物很快便被沉澱物掩埋。The sediment plume is tan and green
沉澱物卷流呈現褐色和綠色。
The rest would settle into sediment.
其餘的將變成沉澱物。
