尽管证据不断积累，政府却无所作为。

Despite this ___accumulation of evidence, the government did nothing.

成功是什么？对一些人来说，它是财富的积累；对另一些人来说，它是名声、健康、爱。

What is success? For some it is the ___accumulation of possessions, for others it's fame, health, love.

灰尘的缓慢积累让房间看起来很脏。

The slow ___accumulation of dust made the room look dirty.