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If you're in a vehicle going the speed of light, what happens when you turn on the headlights?
如果你开著以光速行进的车,打开车灯的时候会发生什么事?
youdao
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If you're in a vehicle going the speed of light, what happens when you turn on the headlights?
如果你开著以光速行进的车,打开车灯的时候会发生什么事?
youdao