The smile slowly froze as he kissed her.

Michael looked up, smiling, but the smile slowly froze as he realised he was staring into the barrel of a high-powered rifle.

I'd like to see him freeze to death slowly.

I'd prefer that you stay alive while you slowly freeze.

As water slowly freezes, it tries to exclude most ions from the growing solid, and they end up concentrated in the remaining liquid.

And the fires of Pele hung in the snout, consumed the tobacco, and slowly froze into position.

Instead it slowly froze in a magma chamber into a mush of coarse crystals.

As they slowly froze, they periodically performed simple tests to see how their bodies were functioning.

No ice is added; it freezes slowly because it's packed in ice.

The Knight of the Sword's visage slowly froze into an unreadable mask.