fast ice, shore-fast ice, fast shore ice
Корабль застрял во льдах у припая.
The ship got stuck in the ice near the fast shore ice.
Рыбаки шли по припаю к морю.
The fishermen walked across the fast shore ice toward the sea.
Весной припай начинает таять и трескаться.
In spring, the fast shore ice begins to melt and crack.
