Some species enter estuaries and even penetrate fresh water for considerable periods, especially during vulnerable stages of their life cycle.

The midwater squid remains at great depths where no light penetrates during the day, in order to avoid predators.

Seawater penetrates these elevated areas only during storms with high tides.

That opened a way for hot gases to penetrate and wreak havoc during re-entry.

These aliens were eventually assimilated by the Borg (which is why Seven had the knowledge needed to penetrate the field during the crash).

The liquid limit is defined as the water content of the soil which allows the cone to penetrate exactly 20 mm during that period of time.

Several ships penetrated the storm's center during its passage through the gulf.

He obliged, the only wildlife to penetrate our well-screened habitat during our four-day stay.

They then penetrate Mizzamir's tower during a major wizard's conference.

But how had he been able to penetrate during the night into Granite House?