disintegrate

这种清洁剂可以有效分解油渍。

This cleaner can effectively ___disintegrate grease stains.

如果不加以维护，这座桥很快就会崩塌。

Without maintenance, the bridge will soon ___disintegrate.

那块石头在多年风化后开始碎裂。

The rock started to ___disintegrate after years of weathering.