light time [天] 光时 ; 轻装时代 ; [天] 光行时 ; 轻飘飘时间
light-time curve 光通量时间曲线
light-time for astronomical unit distance 天文单位距离的光行时
green light time 绿灯时间
yellow light time 黄灯时间
light time effect 光时效应
minimum green light time 最短绿灯时间
If you could move at the speed of light, your time would stand still, if you could move faster than light, your time would move backward.
如果你能以光速运动，你的时间就会静止不动；如果你能以快于光速的速度运动，你的时间就会倒退。
Traffic was unusually light for that time of day.
交通在白天的那个时段有些异常地顺畅。
The colour will slowly disappear if the stamps are put in the light for a long time.
如果把邮票长时间放在光线下，颜色会慢慢消失。
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