产品上的条形码是用激光读取的。

The bar codes on the products are read by lasers.

《牛津词典》

她借着闪烁的烛光读书。

She was reading by the flickering light of the candle.

youdao

她说，“数量不多，但如果光读媒体你会觉得特别很多。

This is not a large number - but from reading the media you would think it's a huge number.

youdao

And as you read Lolita, try to notice how much light imagery there is.

你们读Lolita的时候，要注意用的关于光的比喻。

耶鲁公开课 - 1945年后的美国小说课程节选