of light

• He sat in a circle of light carefully observed .
  他在灯下坐下，马上成了众目睽睽的目标。
• Hutter directed his daughters to abstain from the use of lights .
  赫特关照女儿不要掌灯。
• A lumen is a measure of the rate of emission of light energy .
  流明是光能放射率的量度单位。
• The earth moves at a crawl compared with the speed of light .
  与光速相比，地球也只是在爬行。
• The speed of light plays a special role in relativity theory .
  光速在相对论中起着特殊的作用。
• A common laboratory source of light is provided by a mercury arc .
  通常的实验室光源选用汞弧灯。
• Physics does not inquire into the essence of atoms or of light .
  物理学并不探求原子或光的本质。
• The frame of an airship is made of light but strong metal .
  飞船的框架是用轻而坚固的金属制成的。
• She advanced to the window whence the rays of light proceeded .
  她朝着发出灯光的那扇窗户走过去。
• Love is ever the beginning of knowledge as fire is of light .
  爱永远是知识之始，犹如火是光之始。