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- Radio waves travel in straight lines. 无线电波是直线传播的。
- TV waves travel only in straight lines. 电视的电波只能直线行进。
- In a uniform medium light travels in straight lines. 在均匀介质中光沿直线传播。
- It's known to all that light travels in straight lines. 众所周知,光线直线运行。
- Television signals can only be beamed in straight lines. 电视讯号只能以直线发射。
- That light travels in straight lines is known to all. 众所周知,光线沿直线运行。
- These radio waves radiate out in straight lines from the antenna. 这些无线电波从天线以直线向外辐射。
- That light travels in straight line is known to all. 众所周知,光是以直线传播的。
- Microwave to transmit TV signal always runs in straight line. 传播电视信号的微波总是以直线的方式行进。
- The microwave always broadcasts TV signal in straight line. 传播电视信号的微波总是以直线的方式行进.
- Early in life we learn that light travels in straight lines. 早先在生活中我们就知道光是直线传播的。
- The fact that light travels in straight lines accounts for many things. 光以直线传播的事实说明了许多事情。
- The road go in straight line across the plain for two hundred kilometres. 这条路笔直穿过平原，长达200公里。
- It is because light ravels in straight lines that an object cast s shadow. 11是因为光以直线传播,物体才有阴影。
- The road go in straight line across the plain for two hundred kilometre. 这条路笔直穿过平原，长达200公里。
- The road goes in straight line across the plain for two hundreds kilometers . 这条路笔直穿过平原，长达200公里。
- Microwaves that trasmit television singals always travel in straight line. 传播电视信号的微波总是以直线的方式行进。
- Whether light comes from a luminous or a non-luminous object,it travels in straight lines. 不管是发光体还是非发光体发出的光都是以直线传播。
- Light can be given back when it meets an object because it travels in straight lines. 光遇到物体就折射回来，因为光是直线传播的。
- She disposed of the champion in straight sets. 她一盘未输战胜了冠军。
