水果在炎热的天气里很快就会腐烂分解。

Fruit quickly ___disintegrates in hot weather.

长期缺乏沟通导致他们的友谊逐渐瓦解。

Their friendship ___disintegrates due to long-term lack of communication.

如果不加以维护，这座桥很快就会崩塌。

Without maintenance, the bridge will soon ___disintegrate.