attenuated

attenuated的音标是[əˈtenjueɪtɪd]，基本翻译是“变弱的；稀薄的；减少的”，速记技巧是注意结尾的-ed，表示动词的过去分词。

attenuated这个词的词源可以追溯到拉丁语“attenuare”，意为“变细，变薄”。其变化形式主要有attenuation（减弱，变薄），attenuatedness（减弱，变薄的程度）。

相关单词：

1. attenuation（衰减）：指信号、能量等在传输过程中减弱的现象。

2. attenuator（衰减器）：一种用于减弱信号强度的设备。

3. thinned（稀薄的）：表示物体变薄或减少，强调物质或能量的流失。

4. weakened（减弱的）：表示力量、强度等减少或减弱。

5. dim（暗淡的）：指光线、声音等减弱或模糊不清。

6. reduced（减少的）：表示数量、程度等减少或降低。

7. attenuated transmission（衰减传输）：一种无线通信技术，通过减少信号衰减来提高传输距离和可靠性。

8. attenuation curve（衰减曲线）：表示信号强度随距离变化的曲线。

9. attenuation coefficient（衰减系数）：表示信号衰减速度的参数。

10. attenuation-free（无衰减的）：表示物体没有减弱或流失能量的特性。

常用短语：

1. attenuate impact

2. attenuate sound

3. attenuate light

4. attenuate signal

5. attenuate strength

6. attenuate effect

7. attenuate radiation

例句：

1. The noise in the street was attenuated by the thick walls.

2. The sound of the waves attenuates as they approach the shore.

3. The light from the flashlight was attenuated by the raindrops.

4. The signal was attenuated by the distance between the sender and receiver.

5. The strength of the impact was attenuated by the impact resistance of the object.

6. The effect of the medication attenuated my pain but not completely eliminate it.

7. The radiation from the radioactive source was attenuated by the shielding material.

英文小作文：

Title: Attenuation of Light in Nature

Light is one of the most important forms of energy transfer in nature, but it is also subject to attenuation, or loss, as it travels through space and matter. When light travels through air, water, or other media, it loses energy and becomes dimmer as it travels further away from its source. This phenomenon is particularly noticeable when observing stars and other distant objects, where the light from these sources is attenuated by the distance between us and them.

On a smaller scale, light attenuation can also occur within materials such as glass or plastic, where light passes through multiple layers of material before reaching its destination. This type of attenuation can affect the brightness and color of lights within a room or building, making them appear dimmer or less saturated than they actually are.

Attenuation of light is an essential aspect of understanding how energy travels in our environment, and it can have a significant impact on our daily lives, from how we see the world to how we use light-emitting devices such as LEDs and lamps.