erio

例句：

1. 1. The erio flows gently through the forest.
   这条小溪在森林中缓缓流淌。
2. 2. She spent hours watching the erio from her window.
   她花了很多小时从窗户观察那条小溪。
3. 3. The erio is a popular spot for birdwatching.
   这条小溪是观鸟的好地方。