accumulate
/əˈkjuːmjʊleɪt/verb
with obj.
1- gather together or acquire an increasing number or quantity of聚集; 积累：
investigators have yet to accumulate enough evidence.
调查人员尚需收集足够的证据。
1.1
- gradually gather or acquire (a resulting whole)（逐渐）积累：
her goal was to accumulate a huge fortune.
她的目标是积累起一大笔财富。
1.2
- no obj. gather; build up积聚; 堆积：
the toxin accumulated in their bodies.
毒素在他们体内积聚。
词源
late 15th cent.: from Latin accumulat- 'heaped up', from the verb accumulare, from ad- 'to' + cumulus 'a heap'.