coarser

coarser的音标是[ˈkɔːrsə(r)]，基本意思是“较粗糙的，粗劣的，粗略的”，可以与介词如of，in，with等搭配表示不同的意思。

速记技巧：可以尝试使用一些简写的词汇来快速记忆这个单词，例如coarse的缩写可以记为[c.o.r.s]，这样就可以快速记住这个单词的意思和发音。

例句：The quality of the cloth is much coarser than that of last year"s. 这块布的质量比去年的粗糙得多。

"coarser"这个词的英文词源可以追溯到拉丁语"coarsus"，意为粗糙的或粗略的。它的变化形式包括比较级"coarser"和最高级"coarsest"。

相关单词：

"rough" - 来自古英语"rog"，意为粗糙的或粗略的，是"coarsus"的直接借用。

"coarseness" - 意为粗糙或粗略的程度，是"coarsus"的派生词。

"coarsely" - 意为粗糙地或粗略地，是"coarser"的比较级形式。

"coarsen" - 意为使粗糙或粗略，是"coarsen"的动词形式。

"coarseness of speech/behavior" - 意为言语或行为的粗鲁，是"coarseness"的常见用法。

"coarsen one"s character" - 意为使某人的性格变得粗鲁，是"coarsen"的进一步应用。

"coarse grain/material" - 意为粗糙的谷物或材料，是"coarsest"的常见用法之一。

"grit" - 意为坚韧不屈的精神或品质，有时也指粗糙的物质，与"coarse"有关。

"coarse sandstone" - 意为粗糙的砂岩，是"coarsest"的具体应用之一。

以上就是一些与“coarser”相关的单词及其词源和含义的解释。这个词在英语中常常用来形容事物的粗糙或粗略，也可以用来形容人的行为或言语的粗鲁。

常用短语：

1. coarsely

2. coarse sand

3. coarse grained

4. coarse-grained sandstone

5. coarse-cut

6. coarse-grinding

7. coarse-textured

例句：

1. The painting was executed with a coarsely brushstroke.

2. The sand was collected from a beach with coarse grains.

3. The coarse-grained sandstone was used for building foundations.

4. The rough surface of the stone was coarsely cut to fit the design.

5. The grinding wheel was coarsely grinding the metal to remove rough edges.

6. The texture of the soil was coarse-textured, making it difficult to cultivate.

7. The texture of the sand is coarse, making it suitable for beach sports.

英文小作文：

Coarse sand is a type of sand that is characterized by its coarse texture and roughness. It is often found in deserts and beaches, where it provides a challenging and fun environment for beach sports such as sandcastle building, beach volleyball, and beach soccer. However, coarse sand can also be used for construction purposes, such as in the formation of sand dunes and other landscaping projects.

Coarse sand also has a unique texture that makes it suitable for sculpting and carving, as it can easily be shaped into various forms and textures with minimal effort. This is why coarse sand is often used in art and crafts, where it provides a unique and challenging medium for artists and craftspeople to create their works of art. In addition, coarse sand can also be used in landscaping projects to create interesting and unique patterns and designs in gardens and parks.

Coarse sand is also a valuable resource for mining operations, where it is often used to create aggregate for road construction and other infrastructure projects. However, due to its coarse texture and high abrasiveness, it can also be harmful to the environment if not properly managed and disposed of. Therefore, it is important to ensure that the use of coarse sand is sustainable and environmentally friendly, while also considering its potential benefits for society and the economy.