To gather into a cluster or heap; accumulate.

成团；结块；凝聚。

A jumbled mass or collection.

大堆；聚集。

Mass of volcanic fragments of all sizes thrown together with no trace of stratification.

集块岩。

Agglomerated.

成团的；结块的。

Clustered together but not cohering.

【植】密集的；群生的。