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.
苯胺的合成法被用于制造苯胺紫染料，而奎宁（或金鸡纳碱）的合成法则被用于制造靛蓝染料。
The synthesis of aniline was used to make mauveine (aniline purple) dye and the synthesis of quinine was used to make indigo dye.
多年来，格鲁纳保持着严格的健身法则，而且学习新的东西，包括冲浪并且成为一个商务直升机飞行员。
Over the years, Gruner has maintained his demanding physical regimen and learned new skills including surfing and becoming a commercial helicopter pilot.
多年来，格鲁纳保持着严格的健身法则，而且学习新的东西，包括冲浪并且成为一个商务直升机飞行员。
Over the years, Gruner has maintained his demanding physical regimen and learned new skills including surfing and becoming a commercial helicopter pilot.
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