concave mirror的音標為[k?n?ke?v m??r] ，基本翻譯為“凹面鏡”，速記技巧為：以“k”開頭的單詞，記憶時要注意其發音特點，即發音時舌端要抵住上齒齦，口型由半開向半閉的下降過程。

Concave Mirror的英文詞源是拉丁語concavitas，意為“凹面”。這個詞后來被引入英語，形成了英語中的concave mirror。

Concave Mirror的變化形式包括名詞形式如concavity和concave，形容詞形式concavely，動詞形式如concaveify。

相關單詞包括：convex mirror（凸面鏡），concavity（凹凸面），concavely（凹凸地），concave lens（凹透鏡），concave mirror effect（凹鏡效應），concavity shape（凹形），concave mirror surface（凹面鏡表面），concave mirror technology（凹面鏡技術）等。

這些單詞在描述光學、物理和幾何學中的各種現象和設備時非常有用。例如，凸面鏡和凹面鏡在反射和聚焦光線方面有不同的特性，而凹透鏡和凸透鏡在視覺和光學儀器中也有不同的應用。

常用短語：

1. concave mirror surface

2. convex mirror

3. reflector

4. curved mirror

5. concave lens

6. convex lens

7. refraction

雙語例句：

1. The concave mirror reflects the light towards the center. (凹面鏡反射光線向中心。)

2. The convex mirror bends the light towards the outer edge. (凸面鏡彎曲光線向邊緣。)

3. A reflector is a device that uses a concave or convex mirror to focus light. (反射器是一種利用凹面或凸面鏡來聚焦光線的裝置。)

4. The curved mirror is used in optical equipment to create a distorted image. (彎曲的鏡子在光學設備中用于產生失真的圖像。)

5. Conical lenses are used in concave mirrors to focus light in a specific direction. (圓錐透鏡用于凹面鏡中，以將光線聚焦在特定方向。)

6. Light is refracted by a concave lens, causing it to bend towards the center. (光線被凹透鏡折射，導致它向中心彎曲。)

7. The refraction of light by a concave mirror creates a distorted image of the object. (凹面鏡折射光線，導致物體產生失真的圖像。)

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.