eluviation

eluviation的音标是[ɪˈluːviəˈeɪʃn]，基本翻译是“沉积，沉积作用；向上浸蚀；向上浸蚀作用；向上浸蚀物”。速记技巧是：el-loo-vee-eye-an。

Eluviation这个词的词源可以追溯到拉丁语，意为“流出的物质”。它是由“elutri”和“facere”两个词组合而成的，表示“筛选”或“分选”。

Eluviation的变化形式主要有词根的变形和词性的变化。在词根方面，“-luvis-”表示“水”，“-v-”表示“流出”，所以eluvium（沉积物）这个词根可以表示“从水中流出的物质”。在词性方面，eluviation可以作为名词使用，表示沉积物或沉积过程，也可以作为动词使用，表示沉积或积累。

相关单词有：

1. Deposit (n.) - 意为“沉积物”，是eluviation的名词形式，表示物质积累或沉淀的过程。

2. Eluvial (adj./n.) - 意为“沉积的”或“沉积物”，是eluviation的形容词和名词形式。

3. Sediment (n.) - 意为“沉积物”，与eluviation有相似的含义，表示物质积累或沉淀的过程。

4. Accumulation (n.) - 意为“积累”，与eluviation有相似的含义，表示物质的积累或聚集。

5. Depositional (adj.) - 意为“沉积的”或“沉积作用形成的”，是eluviation和deposit的形容词形式，表示与沉积过程相关的。

6. Elution (n.) - 意为“溶解”，与eluviation相反，表示物质从固体中分离的过程。

7. Evaporite (n.) - 意为“蒸发沉积物”，与eluviation不同，它表示物质在蒸发作用下形成的沉积物。

8. Lixivium (n.) - 意为“滤出物”，与eluviation的含义相反，表示物质从液体中分离的过程。

9. Lixiviation (n.) - 是lixivium的过程或行为的抽象，意为“滤出过程”或“滤出作用”。

10. Sedimentation (n.) - 意为“沉淀”，是一个更通用的术语，用于描述各种类型的沉积过程，包括eluviation。

常用短语：

1. sedimentation 沉积

2. accumulation 积累

3. leaching 浸出

4. infiltration 渗透

5. percolation 渗透

6. dispersion 散布

7. dispersion of sediment 沉积物的散布

例句：

1. The sedimentation of silt in the river caused the water level to rise.

2. The rainwater accumulated on the rooftop and flowed into the gutter.

3. The leaching process is used to extract valuable minerals from ore.

4. Water seeps through the soil and affects the growth of plants.

5. After being filtered through the soil, water flows out as clean as it came in.

6. The particles of sand were dispersed evenly in the ocean.

7. The dispersion of sediment will affect the flow of the river and cause erosion.

英文小作文：

The importance of sedimentation and dispersion in our daily lives

Sedimentation and dispersion are two important processes that affect our daily lives. Sedimentation refers to the process of particles settling to the bottom of a container, while dispersion refers to the spreading of particles into different directions.

Sedimentation occurs naturally in rivers and lakes, causing particles such as silt and debris to settle to the bottom over time. This process can affect the water quality and flow of rivers and lakes, leading to erosion and changes in ecosystems. On the other hand, dispersion refers to the spread of particles into different directions, such as sand particles in the ocean or dust particles in the air. Dispersion can have a significant impact on our environment, affecting air quality, water resources, and even climate patterns.

In terms of human activities, sedimentation and dispersion also play a role in urban planning and infrastructure development. For example, when building a new dam or reservoir, engineers must consider how to prevent sediment from accumulating and clogging the system, which could lead to water quality issues and damage to infrastructure. On the other hand, proper dispersion of construction materials and debris is crucial for environmental protection and reducing waste.

Therefore, sedimentation and dispersion are two essential processes that we must consider when dealing with our environment and infrastructure development. Understanding these processes can help us make better decisions and ensure sustainable development for future generations.