单词
deposition
读音
ˌdepəˈzɪʃn
美式
英式
词根
“Deposition” 这个词源自拉丁语词根 "de-" 和 "Posit". "de-"表示“向下”，而 "Posit" 表示“放置，置位”。所以这个单词字面上的意思是“放下”，进而延伸为现在的专业含义。
释义
n. 沉积物；矿床；革职；[律]（在法庭上的）宣誓作证，证词 [ 复数 depositions ]
例句
Other reliable evidence suggests that the deposition of the boundary clay could not have taken one million years.
其他可靠的证据表明，边界粘土的沉积不可能需要100万年。
Vitamin D, or calciferol, is another fat soluble steroid vitamin which functions to stimulate calcium uptake from the gut and its deposition in bone.
维生素 D，或钙醇，是另一种脂溶性类固醇维生素，其功能是促进钙从肠道吸收并沉积在骨头中。
The probability that actual remains of soft tissue will be preserved is improved if the organism dies in an environment of rapid deposition and oxygen deprivation.
如果生物体死于一个快速沉积和缺氧的环境，那么软组织残骸实际保存下来的可能性会提高。
Other reliable evidence suggests that the deposition of the boundary clay could not have taken one million years.
其他可靠的证据表明，边界粘土的沉积不可能需要100万年。
Vitamin D, or calciferol, is another fat soluble steroid vitamin which functions to stimulate calcium uptake from the gut and its deposition in bone.
维生素 D，或钙醇，是另一种脂溶性类固醇维生素，其功能是促进钙从肠道吸收并沉积在骨头中。
The probability that actual remains of soft tissue will be preserved is improved if the organism dies in an environment of rapid deposition and oxygen deprivation.
如果生物体死于一个快速沉积和缺氧的环境，那么软组织残骸实际保存下来的可能性会提高。
强化记忆
“Deposition”这个词可以按照词根词缀拆解来记忆，"de-"可以理解为“向下”，"posit" 可以理解为“放置”，联想到物体向下放置就很好记。“Deposition” 在英语中出现的时间可以追溯到14世纪，最初在法律领域表示“作证”在地理领域表示沉积。它是从法语的 "deposition" 衍变过来的。
看视频学发音
back to productive use?Once salt deposition and chemical depositionhas had its effects,
the proliferative stage occurs, when fibroblast cells begin to enter the wound.In the process of collagen deposition,they produce a fibrous protein called collagen in the wound site,
所属分类
大学,出国,专四专八,其他
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