Microwaves penetrate the food in the oven.

The sunshine penetrated the thick leaves of the trees.

Pioneer 10 was the first spacecraft to penetrate the asteroid belt between Mars and Jupiter and travel to the outer regions of the solar system.

Try and penetrate with our limited means the secrets of nature and you will find that, behind all the discernible concatenations, there remains something subtle, intangible and inexplicable. Veneration for this force beyond anything that we can comprehend is my religion. To that extent I am, in point of fact, religious.

Light penetrated the room only through a skylight.

The bullet penetrated his chest.

Only the King can penetrate Ganon.

Up flew the bright sparks in myriads as the logs were stirred, and the deep red blaze sent forth a rich glow, that penetrated into the furthest corner of the room, and cast its cheerful tint on every face.

A journey is a sort of door through which one comes out of reality as if to penetrate into an unexplored reality that looks like a dream.

The light penetrates the darkness.