concave mirror

concave mirror的音标为[kənˈkeɪv mɪər] ，基本翻译为“凹面镜”，速记技巧为：以“k”开头的单词，记忆时要注意其发音特点，即发音时舌端要抵住上齿龈，口型由半开向半闭的下降过程。

Concave Mirror的英文词源是拉丁语concavitas，意为“凹面”。这个词后来被引入英语，形成了英语中的concave mirror。

Concave Mirror的变化形式包括名词形式如concavity和concave，形容词形式concavely，动词形式如concaveify。

相关单词包括：convex mirror（凸面镜），concavity（凹凸面），concavely（凹凸地），concave lens（凹透镜），concave mirror effect（凹镜效应），concavity shape（凹形），concave mirror surface（凹面镜表面），concave mirror technology（凹面镜技术）等。

这些单词在描述光学、物理和几何学中的各种现象和设备时非常有用。例如，凸面镜和凹面镜在反射和聚焦光线方面有不同的特性，而凹透镜和凸透镜在视觉和光学仪器中也有不同的应用。

常用短语：

1. concave mirror surface

2. convex mirror

3. reflector

4. curved mirror

5. concave lens

6. convex lens

7. refraction

双语例句：

1. The concave mirror reflects the light towards the center. (凹面镜反射光线向中心。)

2. The convex mirror bends the light towards the outer edge. (凸面镜弯曲光线向边缘。)

3. A reflector is a device that uses a concave or convex mirror to focus light. (反射器是一种利用凹面或凸面镜来聚焦光线的装置。)

4. The curved mirror is used in optical equipment to create a distorted image. (弯曲的镜子在光学设备中用于产生失真的图像。)

5. Conical lenses are used in concave mirrors to focus light in a specific direction. (圆锥透镜用于凹面镜中，以将光线聚焦在特定方向。)

6. Light is refracted by a concave lens, causing it to bend towards the center. (光线被凹透镜折射，导致它向中心弯曲。)

7. The refraction of light by a concave mirror creates a distorted image of the object. (凹面镜折射光线，导致物体产生失真的图像。)

英文小作文：

Title: The Magic of Conical Mirrors

Conical mirrors are fascinating optical devices that can create distorted images and bend light in unique ways. From car headlights to telescope lenses, these mirrors have played an integral role in various fields of science and technology. A concave mirror, for instance, reflects light towards the center, creating a distorted image of an object that appears larger than it actually is. On the other hand, a convex mirror bends light towards the outer edge, resulting in a smaller but clearer image of the object. These properties make conical mirrors essential components in various applications, such as traffic lights, night vision systems, and even optical instruments like telescopes and microscopes. Additionally, they are also used in optical experiments and demonstrations to educate students about the principles of optics. Despite their practical applications, conical mirrors are also used for artistic purposes, such as creating unique visual effects in movies and music videos. From these examples, it is evident that conical mirrors possess a magical quality that captivates the imagination and opens up new possibilities in science and technology.