The real significance of my discovery is only beginning to penetrate.

The smell only got worse as he began to penetrate the substance.

"But it has been beginning to penetrate the retail market in the past six months."

The light reached far down into the soft X-ray region, to the point just above where it began to penetrate the skin.

The implications of this appointment were only now beginning to penetrate.

In the 14th century, Czech began to penetrate various literal styles.

Early on the 4th, however, the enemy planes began to penetrate through the fog.

I could see that it was beginning to penetrate.

She felt the device begin to penetrate the tight hole.

The germ of an idea began to penetrate my mind.