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。
- An electrically produced graph or tracing. 电示图以电制作的图表或映描图
- A ray flower or the corolla of a ray flower. 舌状花舌状花或这种花的花冠
- Ray tracing now seems set to leap the speed barrier, however. 不过，光迹追踪法似乎即将跨越速度的障碍。
- A ray of sunlight pierced the clouds. 一缕阳光穿透了云层。
- I can't trace that letter you sent me. 我找不到你寄给我的那封信。
- I was left without a ray of hope. 我连一线希望也没有了。
- He spoke without a trace of emotion. 他说话时毫不动感情。
- A record or tracing produced by a plethysmograph. 体积描记图由体积描记器作出的记录或轨迹
- Did the police find any trace of the murderer? 警方找到凶手的行踪了吗？
- 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。
- They failed to find any trace of the runaways. 他们未能找到逃跑者的任何踪迹。
- There was barely a trace of salt in the soup. 汤里简直一点盐也没有放。
- The post office tried to trace the lost letter. 邮局设法查出那封丢失的信。
- 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 kids are learning to trace the letter. 孩子们学描字母。
- He always spoke with a trace of sarcasm. 他说话总带着一丝讽刺。
- The powerhouse was trace out accurately later on a large scale map. 后来发电站被精确地描画在大比例地图上。
- 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。
