adj.视力的，光学的，视觉的，有助于视力的，光读取的，光存储的

Eric has optical trouble.
埃里克的视力有问题。
His camera has an optical viewfinder.
他这个照相机装有光学取景器。
Tom began experimenting to set optical images in 1793.
汤姆在1793年就开始试验凝固光学图像。
The optical fiber transmits data at an incredible speed.
光纤以惊人的速度传输数据。
She wears optical glasses to correct her short-sightedness.
她戴着眼镜来矫正近视。
The telescope is an optical instrument used for viewing distant objects.
望远镜是一种用于观察远处物体的光学仪器。
The laser is an example of an optical device that uses coherent light.
激光器是利用相干光的光学设备的一个例子。
The optical properties of materials can be altered through chemical treatment.
材料的光学性质可以通过化学处理改变。
The optical illusion made us think the road was curving when it was straight.
这个视错觉让我们误以为道路是弯曲的，而实际上是直的。
The microscope enabled us to observe the microorganisms in detail under optical magnification.
显微镜使我们能在光学放大下详细观察微生物。
The new camera has an optical zoom up to 30 times.
这款新相机具有高达30倍的光学变焦功能。
The optical spectrum of a star reveals its composition and temperature.
通过分析星光的光谱，我们可以得知恒星的组成和温度。
The researchers developed an optical sensor for detecting minute amounts of pollutants.
研究人员开发了一种光学传感器，用于检测微量污染物。