melting with partial oxidation

例句：

1. 1. Theice on the lake began to melt asthe sun rose higher in the sky.
   随着太阳升高，湖上的冰开始融化。
2. 2.The hot chocolate was melting in mymouth.
   热巧克力在我嘴里融化了。
3. 3. Thesnow was melting slowly under the warmsun.
   雪在温暖的阳光下慢慢融化。