| [/ˈsedɪmənt; ˋsɛdəmənt/] n [U] 用法:
1 matter that settles to the bottom of a liquid 沉淀物:
a wine with a gritty sediment 有沙粒状沉淀物的葡萄酒. 用法:
2 matter (eg sand, gravel, mud, etc) carried by water or wind and deposited on the surface of the land 沉积物（如沙、 砾石、 泥等）. |