泉源

例句：

1. 1. The spring water flows through the valley.
   泉水从山谷中流过。
2. 2. The source of the river is still unknown to us.
   这条河的源头对我们来说仍然是个谜。
3. 3. The spring brings life to the barren land.
   这个泉水给贫瘠的土地带来了生机。