optical flint

常见例句

• His optic nerve was hurt in an accident.
  他的视神经在一次事故中受到损伤。
• Microscopes and telescopes are optical instruments.
  望远镜和显微镜是光学仪器。
• The optic theory originated with Einstein.
  光学理论是爱因斯坦首创的。
• A mirage is an optical illusion.
  海市蜃楼是一种视错觉。
• optical flint glass
  火石光学玻璃
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