They are the log that strands on the bank, rock and the bottom of river or becomes the timber, which are very pitiful.

他们这些人都是流向大海的木头在中途被勾绊在岸边、石头边、河底或者成为人家的工具，十分可惜。

youdao

In that year "a defect at the dam opened the gates, making a toxic layer of hard metals deposited at the bottom of the river come up" to the surface, she said.

就是那年，大坝的门户错误的打开，使得那些原本位于河流底部的有毒重金属层浮到了表面，她继续说道。

youdao

Bottom ground is land in the floodplain of the Missouri River.

低地指的是指密苏里河滩上的地。

youdao

PCBs are now embedded at the bottom of the river, getting buried under more and more mud as time goes on.

FORBES: Fact and Comment

But by the early 1900s, the bottom of the river had been scraped and flattened to allow for the logging industry to float timber downstream.

WSJ: Real Rapids in Grand Rapids?

This soft-bottom portion of the river is also called the Glendale Narrows.

CNN: SHARE THIS