熔炼

例句：

1. 1. The snow was melting slowly in the sun's warm rays.
   雪在阳光温暖的光芒中慢慢融化。
2. 2. The ice cream melted quickly in my hand.
   冰淇淋在我手中很快就融化了。
3. 3. The hot chocolate had already begun to melt.
   热巧克力已经开始融化了。