2015年新托福词汇记忆：sediment
发布时间：2013/7/18 22:02:25 来源：城市网学院 编辑：admin
1）sediment / ?sed?m?nt; ˋs?d?m?nt/ n [U]
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.
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）.
2）sedimentary / ?sed??mentr?; ?s?d?ˋm?nt?r?/ adj of or like sediment; formed from sediment （似）沉淀物的; 由沉淀物形成的: sedimentary rocks, eg sandstone, limestone, slate 沉积岩（如砂岩﹑ 石灰岩﹑ 板岩）.
3）sedimentation / ?sed?men?te??n; ?s?d?m?nˋte??n/ n [U]
(geology 地质) process of depositing sediment 沉淀; 沉积.
