water smoke

例句：

1. 1. The river flows through the city, providing water for the people.
   这条河流流经城市，为人们提供水源。
2. 2. The fish in the lake are swimming around happily.
   湖里的鱼在快乐地游来游去。
3. 3. Water is essential for life on Earth.
   水是地球上生命所必需的。