您要查找的是不是：
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- Radioactive ray is material thing. 放射线是实际的物质。
- Her designs have a strong visual appeal. 她的设计在视觉上很有感染力。
- A ray flower or the corolla of a ray flower. 舌状花舌状花或这种花的花冠
- A ray of sunlight pierced the clouds. 一缕阳光穿透了云层。
- I was left without a ray of hope. 我连一线希望也没有了。
- Telescopes and microscopes are visual instruments. 望远镜和显微镜是光学仪器。
- Near-sightedness is a visual defect. 近视是一个视力缺陷。
- Primary school teachers use a lot of visual aids. 小学教师使用大量的视觉教具。
- Her visit brought a ray of sunshine into the children's lives. 她的来访给孩子们的生活带来了欢乐。
- The so-called visual display unit is in fact a cathode ray tube. 所谓可见显示装置实际上是一个阴极射线管。
- Ray take a gulp of coffee and rushed out of the room. 雷喝了一大口咖啡，接着便冲出了房间。
- The so-called visual display unit is in fact a cathode ray tube . 所谓可见显示装置实际上是一个阴极射线管。
- He focused the sun's ray on a piece of paper with a burning-glass. 他用一面凸透镜把阳光在纸上聚成焦点。
- Aerial navigation by visual identification of landmarks. 地标领航用可视地标来进行飞机航行
- Ray took a gulp of coffee and rushed out of the room. 雷喝了一大口咖啡,接著便冲出了房间。
- A device that gives information in a visual form, as on a screen. 显示器，指示器一种以视觉方式显示信息的装置，如荧光屏显示
- The ray also bends when it leaves the glass. 光线离开镜头时的情况也是如此。
- principal visual ray 主视线
- visual ray 可见射线
