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sédiment

/se.di.mɑ̃/
noun★中级— 沉积物
正式

沉积物是指通过沉降作用从水体、空气或其他介质中沉积下来的固体颗粒物质。

Les sédiments marins sont souvent riches en fossiles.

海洋沉积物通常富含化石。

💡

沉积物可以是自然形成的,也可以是人为活动产生的,如工业排放物。

搭配

sédiment marin海洋沉积物sédiment fluvial河流沉积物sédiment lacustre湖泊沉积物

同义词

dépôtaccumulation

相关短语

dépôt de sédiments短语
沉积物沉积

💡专业提示

沉积物的形成

沉积物的形成通常与水流速度减慢、重力作用或化学沉淀有关。

📖词源

源自拉丁语'sedimentum',意为'沉积物',与动词'sedere'(坐下)相关,指物质沉降的过程。

📝用法说明

在科学领域,沉积物是地质学、环境科学等研究的重要对象。

单词拆解

sédi-
沉降
root
+
-ment
名词后缀
suffix
法汉词典

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