disintegrate

The old iron hinge rusted and eventually disintegrated [=crumbled] into dust.旧的铁合页生锈并最终碎裂成了粉末。

The paper will disintegrate if it gets wet.纸湿了之后会碎裂。

Their relationship gradually disintegrated.他们的关系逐渐破裂了。

With the rise of nationalism, the colonial empires began to disintegrate.随着民族主义的崛起，殖民帝国开始瓦解。

The laser can disintegrate most kinds of rock.激光能使大多数岩石碎裂。