The sea in the bay is frozen with thick ice for about eight months every year.
The thick ice cracked and my foot went through it into cold muddy water.
The Hudson was largely covered over with sheets of thick ice.
A coating of ice 140 miles thick surrounds its surface.
Sonar does not work well in shallow water and under thick ice.
Prior to that, it is often covered with thick ice, requiring care.
This crack may cut right across both thin and thick ice.
Pure, thick ice absorbs a small amount of red light.
The outside water pressure, held back by thick ice, was breaking through.
If it were not for the cool of the thick ice between me and her, I should faint altogether.
