他甚至成功估算出彩虹向北移动时行进的速度。
He even managed to estimate how fast the rainbow was travelling as it moved northwards.
光行进的速度是每纳秒一英尺,很简单的经验法则了。
Light travels basically a foot in a nanosecond. Simple rule of thumb.
登山可以明显提高腰、腿部的力量,行进的速度、耐力,身体的协调平衡能力等身体素质。
It is obvious that mountaineering can enhance the physical quality, such as the power of waist and legs, the speed and endurance of advancing, the ability to balance your body.
Light travels basically a foot in a nanosecond. Simple rule of thumb.
光行进的速度是每纳秒一英尺,很简单的经验法则了。
The pace or the speed of the piece?
一段乐曲的行进的步调或速度
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