《水经注·卷二十二》
往东南流过县南，颖水又往东流，五渡水注入。
东南过其县南，颍水又东，五渡水注之。
To the southeast, it passed through the south of the county, Yingshui flowed east again, and Wudushi flowed in.
<s>[INST] Kindly elucidate the central themes in this passage in English: 东南过其县南，颍水又东，五渡水注之。 [/INST] To the southeast, it passed through the south of the county, Yingshui flowed east again, and Wudushi flowed in.</s>
Kindly elucidate the central themes in this passage in English: 东南过其县南，颍水又东，五渡水注之。
user
To the southeast, it passed through the south of the county, Yingshui flowed east again, and Wudushi flowed in.
assistant