There were rocks littering the lake bottom.

湖底散落着一些岩石。

Many buildings there are built on a former lake bottom.

许多建筑的所在地之前都是湖床。

Ron floated, unconscious, a few inches above the lake bottom, drifting a little in the ebb of the water.

罗恩神志不清地浮在湖底上方几英寸的地方，随着水波漂来荡去。

The anchor caught in the mud of the lake bottom and kept the boat from moving.

锚钩住湖底的泥巴，使船不致移动。

In a mass killing, the bones would have been left on the stream or lake bottom together at the same level.

在大规模的杀戮中，这些骨头会被一起留在小溪或湖底的同一水平面上。