The gun can fire invisible rays.

这枪能发出看不见的射线。

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Rontgen went on to try to find out more about these strange invisible rays.

栾琴接著设法去了解更多有关这些奇怪而看不见的射线的资料。

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Rays from the sunrise drew forth the buds and stretched them into long stalks, lifted up SAP in noiseless streams, opened petals, and sucked out scents in invisible jets and breathings.

在朝阳的光照下，苞芽滋生了，长出了长条，汁液在无声的溪流中奔涌，花瓣绽开了，在无形的喷吐和呼吸中把香气散发出去。

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The hardware contains six infrared lights, designed to bounce invisible rays straight into your eyes.

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Only the highest-energy x-rays can get through, and that's the invisible radiation that allows researchers observe the black holes indirectly.

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