A spectrum is formed by a ray of light passing through a prism.

一束光通过棱镜就会形成光谱。

《牛津词典》

The noise from the LRAD is directed like a ray of light and travels only into the ears of that person, but it is not deadly.

远程定向声波发射器（Long Range Acoustic Device）发出的噪音像光线一样，进入指定人的耳朵中，然而它并不致命。

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High dividend payments have been a ray of light for shareholders: On average, the big Banks pay out almost a third of their earnings, for an average dividend yield of about 4.7%.

对于股东来说，高股息支付已成为一道曙光：平均来看，四大国有银行将收入的近三分之一用于派发股息，平均股息收益率约为4.7%。

youdao

He came up with the 80m figure by multiplying the number of dots, or pixels, in a high-resolution image (about 1m-2m) by the number of surfaces that an imaginary ray of light corresponding to each pixel would encounter as it bounced around a complex scene (say, 50-100).

ECONOMIST: Smooth operator | The

One small ray of light came with news that the immediate, short-term future could be secured with a bridging loan of just 150m euros, compared with earlier estimates of a 230m euro loan.

BBC: Kirch holds breath as talks break up

Fermi and a laundry list of the world's great observatories on the ground and in space were all watching because of a coordinated plan to study Markarian 421 across a number of "colours" of light from radio to gamma-ray.

BBC: Blazar Markarian 421's flare-up is cosmic coincidence