It should be able to penetrate Iraq's defense line in no more than half a day.

They are difficult to penetrate in the best of circumstances.

As a result, it does not penetrate very deeply in the body.

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

It seemed to penetrate his mind in a curious way.

The English had not penetrated this far ocean in any force.

It did not penetrate more than ten yards in the water, which ate up the light energy.

Human skin penetrated in this way may turn red and be sore for several hours.

We produce a very powerful and peaceful energy that can penetrate in every one of us.

Man must be penetrated in order to shape such tendencies.