This is the 6874th most frequent Chinese word.
湖中
"湖中" means "in the lake."
The phrase '湖中' specifies the location of the floating boat, which is 'in the lake'.
湖中有一艘小船漂浮。
In the lake, there is a small boat floating.
In this sentence, '湖中' means 'in the lake', showing the location where the reflection occurs.
湖中倒映着蓝天和白云。
In the lake, the blue sky and white clouds are reflected.
Here, '湖中' again means 'in the lake', referring to the place where people are swimming.