rays

refrangible rays of light.

可折射光线

the direct rays of the sun

直射光线

rays of light fell aslant a door.

光线斜斜地照在门上。

concentrate rays of light into a focus

把光线集中在焦点上

Rays of sun glinted among the autumn leaves.

光穿过秋叶照射下来。

the sun's rays beamed down.

光照射下来。

catch some rays on a secluded sandy beach.

在隐沙滩上晒。

the sun rays forth its natural light into the air.

朝天空中放射出自然光线。

the rays of light are refracted by the material of the lens.

光线经镜片材料而折射。

It have no the star's beauty,but can forerun the rays of light.

虽没有繁星美丽，却能预示光芒！

The torrid rays of the sun parched the soil.

热辐射使土壤干裂了。

The sun flings bright rays on the fields.

光普照在田野上。

The rays of the sun poured in through the window.

光从窗口照射进来。

Cathode rays are attracted by a positive charge.

阴极射线被正电荷所吸引。

The rays of lamp shone out through the window.

灯光从窗户射出来。

when X-rays were taken, sure enough, there was the needle.

拍完X光片后，果真有一根针。

By the use of X rays, doctors can see within the body.

医生用X光可以看到人体内部。

If parallel rays are not focused on the retina of a static eye，the eye is ametropic.

如果平行光线入眼后不能聚焦到静态眼视网膜上，则称该眼为屈光不正。

rays of the setting sun slanting through the window;

落山光从窗户里斜射进来；