They really consist of a great many little specks of condensed water.

这其中实际上包含有很多冷凝水微粒。

But condensed water isn’t the only possible source of banging.

但冷凝水并不是唯一可能的撞击源。

After the system’s been running for a while, a lot of the condensed water will heat up and become steam itself, leaving less to hurl around.

系统运行一段时间后，大量冷凝水会升温并变成蒸汽，剩下的就很少了。