cathode ray

cathode ray的音标为[ˈkæθəʊdeɪ reɪ]，基本翻译为“阴极射线”，速记技巧为“钾丢雷”。

Cathode ray的词源：

- 词根词源：cathode，阴极；ray，光线。

变化形式：单数形式为cathode，复数形式为cathodes。

相关单词：

- cathode ray tube（阴极射线管）：一种常用的电视显像装置，由阴极、阳极和真空管组成，用于显示图像。

- cathode-ray-focusing lens（阴极射线聚焦透镜）：用于将阴极射线聚焦在荧光屏上的透镜。

- electron beam（电子束）：在阴极射线管中由电子发射器发出的电子流。

- electron-optics（电子光学）：研究电子束在介质中的传播和成像的学科。

- phosphor（荧光粉）：能够将电子束激发并发出可见光的物质，通常用于阴极射线管的荧光屏上。

- deflection yoke（偏转线圈）：用于控制电子束在阴极射线管中的偏转的装置。

- raster scan（光栅扫描）：在电子设备中，使用阴极射线管对图像进行逐行扫描的方法。

- scanning electron microscope（扫描电子显微镜）：一种使用电子束进行成像的显微镜，通常使用阴极射线管。

- cathode-ray television（阴极射线电视）：一种使用阴极射线管的电视系统。

常用短语：

1. cathode ray tube (CRT) display

2. electron gun

3. phosphor

4. scan line

5. beam current

6. raster scan

7. deflection

双语例句：

1. The monitor uses a cathode ray tube (CRT) display technology.

2. The electron gun controls the path of the electron beam.

3. The phosphor on the screen glows when the beam hits it, creating the image.

4. The scan line determines how many lines of pixels are displayed at once.

5. The beam current determines the brightness of the image.

6. Raster scan technology ensures a smooth and consistent image display.

7. The deflection of the electron beam controls the position of the image on the screen.

英文小作文：

Cathode Ray Tubes: The Future of Display Technology

Cathode ray tubes (CRTs) have been a staple of display technology for decades, and they continue to hold their ground in modern devices like televisions and computer monitors. However, CRTs are not without their limitations, and their days may be numbered as display technology moves forward.

CRTs use an electron gun to control the path of the electron beam, which is used to illuminate the phosphor on the screen, creating an image. The beam current determines the brightness of the image, while the scan line determines how many lines of pixels are displayed at once, resulting in a smooth and consistent image display.

Despite their limitations, CRTs have made a significant impact on display technology, and they will continue to do so for years to come. However, as technology advances, we can expect to see new and improved display technologies emerge, such as liquid crystal displays (LCDs) and organic light-emitting diodes (OLEDs). These new technologies offer improved picture quality, higher resolution, and better energy efficiency, making them a viable alternative to CRTs in the future.