sediment
英 ['sed?m(?)nt]
美['s?d?m?nt]
- n. 沉積；沉淀物
GRECET6+TEM4IELTSTOEFL低頻詞擴展詞匯
詞態(tài)變化
復(fù)數(shù):?sediments;
中文詞源
sediment 沉淀物，沉積物
來自拉丁語 sedere,坐下，詞源同 sit,seat.-ment,名詞后綴。引申比喻義沉積物，沉淀物。
英文詞源
- sediment
- sediment: see session
- sediment (n.)
- 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).
雙語例句
- 1. The sediment settled and the water was clear.
- 雜質(zhì)沉淀后,水變清了.
來自《簡明英漢詞典》
- 2. The sediment of coffee will settle.
- 咖啡渣會沉淀下去.
來自《現(xiàn)代英漢綜合大詞典》
- 3. Many organisms that die in the sea are soon buried by sediment.
- 海洋里死亡的許多生物會很快被沉淀物掩埋。
來自辭典例句
- 4. Deposition is the laying down of sediment that has been transported.
- 沉積是已搬運的物質(zhì)再沉積下來.
來自辭典例句
- 5. They sediment toward the bottom of the centrifuge tube at a velocity.
- 它們以某一速度向管底方向沉降.
來自辭典例句