In addition to that, the river's actual mouth or endpoint can be pretty arbitrarily decided upon as well.

除此之外，河流的实际入海口或终点也可以非常任意地决定。

They would drop a hydrophone off the side of a kayak while they paddled through fields of seagrass or cruised near freshwater river mouths.

当乘船划过海草田火灾淡水河河口附近巡游时，她们会顺着皮艇边放下水听器。

This in essence can be a slow motion disaster because that water wants to find its way to the main river mouth and be deposited back into the bay or the ocean.

这本质上可能是一场缓慢的灾难，因为水想找到通往主要河口的路，然后又被沉积回海湾或海洋。