coarsens

coarsen的音标是[kəʊˈsɜːn]，基本翻译是使粗糙，使粗劣，速记技巧是利用发音相似的英文单词进行速记。

"Coarsens"这个词的英文词源可以追溯到拉丁语"coarsus"，意为“粗糙的，粗略的”。它的变化形式包括其过去式和过去分词形式"coarsed"，现在分词形式"coarsening"以及其名词形式"coarseness"。

相关单词：

1. "Coarseness"：指的是粗糙，粗略，粗俗，不精细的特点。这个词可以用来描述人的性格，行为，或者环境的特征。

2. "Coarsen"：意为使粗糙，使粗略。这个词通常用于描述使某物变得不精细或粗糙的过程。

3. "Coarsely"：意为粗略地，粗糙地，通常用于描述行为或方式。

4. "Coarseness of language"：语言粗俗，用词粗鲁。

5. "Coarsening of society"：社会风气日趋粗俗。

6. "Coarse sandstone"：粗砂岩，一种常见的岩石类型。

7. "Coarse grinding"：粗磨，一种加工方法。

8. "Coarsen one"s manners"：使某人举止粗鲁。

9. "Coarseness of texture"：纹理粗糙。

10. "Coarse-grained"：颗粒粗大的，粗糙的。

以上这些单词都与"coarsens"这个词有直接或间接的关系，反映了其丰富的词源和广泛的应用。

常用短语：

1. coarse grain

2. coarse grinding

3. coarse sand

4. coarse sandstone

5. coarse-grained

6. coarse-scale

7. coarsen the texture

例句：

1. The sandstone has been coarsened by the weather.

2. The process of coarsening the texture of a material is known as aging.

3. The sand in the beach has been coarsened by the waves.

4. The effect of coarsening is to make the surface rough and uneven.

5. The process of coarsening grinds down the particles in the material, making it more uniform in size and shape.

6. The texture of the sandstone has been coarsened by the weathering process.

7. The sandstone will continue to coarsen over time as it is exposed to more weathering processes.

英文小作文：

Coarsening is a natural process that occurs in many materials, including sandstone, sand, and soil. As time passes, weathering processes such as wind, rain, and waves cause the particles in the material to grind down, resulting in a more rough and uneven surface texture. This process can be observed in beaches, deserts, and other areas where materials are exposed to weathering conditions for long periods of time.

Coarsening can have various effects on materials, depending on the type of material and the severity of the weathering process. For example, it can make materials more susceptible to damage from abrasion and impact, or it can improve their ability to trap air and water, resulting in better insulation and waterproofing properties. In addition, coarsening can also affect the aesthetic appearance of materials, making them appear less uniform and more natural-looking over time.