This is the 4597th most frequent Chinese word.
河床
Riverbed.
In this sentence, '河床' refers to the actual bed of the river, highlighting its physical aspects and changes.
这条河床的形态因洪水而发生变化。
The shape of this riverbed has changed due to the flood.
Here, '河床' signifies the area or ground of the riverbed where such activities can happen, focusing on human impact.
为了保护生态环境,我们需要避免在河床上倾倒垃圾。
To protect the ecological environment, we need to avoid dumping trash on the riverbed.
In this context, '河床' relates to a geological feature that aids in scientific research, emphasizing its significance in geology.