冰淇淋正在融化

The ice cream is ___melting.

冰淇淋在炎热的天气里很快就融化了。

The ice cream is ___melting quickly in the hot weather.

雪人在温暖的阳光下慢慢融化。

The snowman is ___melting slowly in the warm sunlight.

当她听到这个好消息时，严肃的表情立刻融化成温暖的笑容。

Her serious expression ___melted into warmth when she heard the good news.