cros section

cros section的音标是[kˈrəʊs sɪˈeɪʃn]，翻译为“横切面；交叉；交叉面”等。速记技巧是利用音标记义，通过联想记忆。

Cros section这个词的词源可以追溯到拉丁语“crossus”，意为“交叉”。它的变化形式主要有复数“cross sections”和过去式、过去分词“cross-sectioned”以及现在分词“cross-sectional”。

相关单词：

1. cross-examination（交叉询问）：这个词是由“cross”和“examination”两个词组成的，表示在法庭上，一方律师对另一方证人的询问方式，这种询问方式需要从多个角度对证人进行提问，类似于“交叉”询问。

2. cross-fertilization（杂交）：这个词是由“cross”和“fertilization”组成的，表示不同物种之间的杂交，可以产生新的基因组合，从而促进生物多样性的发展。

3. cross-pollination（异花授粉）：这个词是由“cross”和“pollination”组成的，表示不同花朵之间的授粉过程，这种过程在植物繁殖中非常重要。

以上三个单词都与“cros section”这个概念有关，它们都描述了不同事物之间的相互关系和相互作用。此外，“cross-sectional statistics”（横截面统计）也是一个相关的单词，它描述了某一特定时间点上不同事物之间的相互关系。这些单词都体现了“cros section”所代表的交叉、相互关系和相互作用的概念。

常用短语：

1. cross section of (sth) - 某物的横截面

2. cut across - 穿过，绕过

3. cross-sectional survey - 横断面调查

4. cross-section analysis - 横截面分析

5. cross-sectional data - 横截面数据

6. cross-sectional dimension - 横截面尺寸

7. cross-sectional view - 横截面视图

双语例句：

1. The engineer drew a cross-sectional view of the bridge to show the location of the supports.

工程师画了一张桥的横截面图，以显示支撑点的位置。

2. The building has a cross-sectional dimension of 10 meters by 20 meters.

该建筑物的横截面尺寸为10米宽，20米长。

3. The river cuts across the valley in a straight line.

河流笔直地穿过山谷。

4. The survey found that most of the respondents were from the manufacturing industry, with a cross-sectional analysis indicating that they were predominantly male and aged between 35 and 55 years old.

调查发现，大部分受访者来自制造业，通过横截面分析发现，他们主要是男性，年龄在35至55岁之间。

5. The data collected in the cross-sectional survey is limited in scope and cannot represent the entire population.

横截面调查收集的数据范围有限，不能代表全部人口。

6. The cross-sectional dimension of the new building is much larger than that of the old one.

新建筑的横截面尺寸比旧建筑大得多。

7. The bridge has a cross-sectional area of 10 square meters, with two lanes for traffic on each side.

这座桥的横截面积为10平方米，每侧都有两个车道。

英文小作文：

Title: Cross Section - An Important Aspect of Engineering Design

Cross section is an essential part of engineering design, as it helps to understand the structure and components of a system or object in detail. From bridges to buildings, machines to vehicles, cross section provides valuable insights into the design and functionality of these systems.

When designing a bridge, for example, the cross-sectional dimension and shape of the supports and piers are carefully considered to ensure stability and strength. Similarly, in building design, the cross-sectional area and layout of the rooms and corridors affect the overall structure and functionality of the building.

Cross-sectional analysis can also be used to identify potential issues or weaknesses in a system, such as stress concentrations or weak points in a structure. This helps to ensure that design decisions are made with safety and reliability in mind, reducing the risk of accidents or failure.

In conclusion, cross section plays an important role in engineering design, providing valuable insights into the structure and components of systems and objects. Understanding cross section allows designers to make informed decisions that ensure the safety, efficiency, and longevity of their work.