光学仪器

• optical instrument

例句

1. 眼镜商，光学仪器商出售光学仪器、眼镜或其它光学仪器的人
   One that sells lenses, eyeglasses, and other optical instruments.
2. 望远镜和显微镜是光学仪器。
   Microscopes and telescopes are optical instruments.