在湖面，或在一个缓慢流动的河流中，原木没有特定的流动方向。

On a lake surface, or on a surface of a slow river, there is not any particular orientation of wood logs.

youdao

在湖面，或在一个缓慢流动的河流中，原木没有特定的流动方向。

On a lake surface, or on a surface of a slow river, there is not any particular orientation of wood logs.

youdao