Video: pronunciation of 'optical'
The company was unable to say whether or not the rollout would be optical fibre technology. Computing (2010)Strange optical effects began to manifest themselves. The Times Literary Supplement (2013)And a digital zoom cannot compete with a proper optical zoom. Times, Sunday Times (2007)It was the optical instrument which allowed submarines to attack other vessels. Times, Sunday Times (2014)Other applications for its technology are in optical cables and in consumer products, such as laser chips. Times, Sunday Times (2011)To get detail as fine as that from an optical instrument, radio telescopes therefore have to be much larger. Times, Sunday Times (2011)The white knight on c6 looks powerful but so long as Black does not capture its effect is more optical than substantive. Times, Sunday Times (2014)This is an optical effect, so if you move, it appears to move as well you can use this to change the background. Photographers Handbook (1993)
较常使用。在柯林斯辞典中， optical 是1万个最常用词之一。
英式英语: optical ADJECTIVE
Optical devices, processes, and effects involve or relate to vision, light, or images.
optical 的定义—— 柯林斯 英语词典
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