您要查找的是不是：
- dark trace tube 暗迹电子射线管,暗迹管,暗迹阴极射线管
- I groped for the light switch in the dark room. 我在黑暗的房间里摸索着找电灯开关。
- We started early in order to arrive before dark. 为了在天黑前到达，我们很早就动身了。
- Automatic Detecting and Fire Extinguishing Device of Fire Trace Tube 火探管式自动探火灭火装置
- The Visualization of Ray Trace Tube in the Underwater Three Dimensions Space 水下三维空间声线管束轨迹可视化
- Her sublimate future husband will be tall, dark, and handsome. 她理想化的未来丈夫将是身材高大，皮肤浅黑，相貌英俊。
- The thief slunk down the dark alley. 那个贼偷偷钻进黑胡同里。
- I can't trace that letter you sent me. 我找不到你寄给我的那封信。
- I grope for the light switch in the dark room. 我在黑洞洞的屋里摸索著寻找电灯开关。
- He spoke without a trace of emotion. 他说话时毫不动感情。
- Did the police find any trace of the murderer? 警方找到凶手的行踪了吗？
- He felt along the wall in the dark for the door. 他在黑暗中沿墙壁摸索着找门。
- It is too dark outside to allow of walking. 外面太黑了，不能出去散步。
- They failed to find any trace of the runaways. 他们未能找到逃跑者的任何踪迹。
- Dark clouds are a sign of rain or snow. 乌云是雨或雪将至的预兆。
- There was barely a trace of salt in the soup. 汤里简直一点盐也没有放。
- Mr.Green dressed up as a policeman in dark glasses. 格林先生伪装成一名戴墨镜的警察。
- The post office tried to trace the lost letter. 邮局设法查出那封丢失的信。
- Her white face and her dark dress contrast sharply. 她洁白的脸和她黑色的衣服形成强烈的对比。
- The kids are learning to trace the letter. 孩子们学描字母。
