grain size

grain size的音标是[ˈgreɪn saɪz]，基本翻译是“颗粒大小”，速记技巧可以是联想记忆：grain“谷粒” → 颗粒大小。

英文单词“grain size”的词源可以追溯到拉丁语“granum”和“gratus”，意为“颗粒”或“小颗粒”。这个词在英语中用来描述物质中的颗粒大小。

变化形式：

1. 大小（大小）：直接来自英文单词“grain size”，表示颗粒的大小。

2. 粒度（granularity）：这个词在计算机科学和统计学中常用，表示数据或信息颗粒的大小和详细程度。

相关单词：

1. “granule” - 颗粒，小颗粒，这个词在生物学和化学中常用，表示小的颗粒或晶体。

2. “size” - 大小，这个词在英语中非常常见，可以指任何物体的尺寸或大小。

3. “particle” - 粒子，这个词在物理学和化学中常用，表示一个小而独立的物体或物质部分。

4. “coarse” - 粗糙的，这个词用来描述颗粒或物质的大小或质地。

5. “fine” - 精细的，这个词用来描述颗粒或物质的大小或质地，与“grain size”相反。

举例来说，“grain size”可以用来描述土壤中的颗粒大小，也可以用来描述图像或数据集中的像素大小。这个词在科学和工程中非常常见，可以帮助我们理解物质或数据的基本特征。

常用短语：

1. grain size distribution - 粒度分布

2. grain size analysis - 粒度分析

3. fine grain size - 细粒度

4. medium grain size - 中粒度

5. coarse grain size - 粗粒度

6. grain size range - 粒度范围

7. large grain size - 大粒度

双语例句：

1. The sedimentary rocks we studied had a wide grain size distribution. （我们研究的沉积岩具有广泛的粒度分布。）

2. The riverbeds in the area have medium grain sizes. （该地区的河床具有中等大小的颗粒。）

3. The sandstone has a fine grain size and is suitable for building materials. （砂岩具有细小的颗粒，适合作为建筑材料。）

4. The grain size of the soil varies with the climate and soil type. （土壤的粒度随气候和土壤类型而变化。）

5. The grain size of the sand in the beach is large enough to make good building sand. （海滩上的沙子粒度足够大，可以作为良好的建筑用沙。）

6. The grain size of the rice grains varies depending on the variety of rice plant. （稻谷的粒度根据水稻品种的不同而变化。）

英文小作文：

Grain Size and Its Importance in Nature

Grain size is an important factor in nature that affects many aspects of life, from the way plants grow to the way materials behave. From tiny sand grains to large boulders, nature is full of different sizes of matter that interact with each other and influence their environment.

For plants, smaller grains allow for more surface area to absorb water and nutrients, while larger grains provide stability and support for structures such as trees and buildings. In materials science, grain size can affect the strength, hardness, and other mechanical properties of materials. In geology, grain size can help us understand the origin and evolution of rocks and soils, as well as the environment in which they were formed.

Moreover, grain size can also have an impact on the aesthetic value of materials and landscapes. Fine-grained sands are often used for fine crafts and building materials, while coarse-grained rocks can form beautiful landscapes such as beaches and dunes.

Overall, grain size is an essential aspect of nature that plays a crucial role in many aspects of life, from the microscopic to the macroscopic scale. Understanding grain size and its relationship to other factors such as composition, texture, and environment can help us better understand and appreciate the diversity of life on Earth.