《徐霞客游记·粤西游日记三十八》
这个山坞中有一条水往东南流去，逆流而行，这条水流在坞中曲曲折折流淌，屡次涉过它，俄顷涉过数十次。
其坞中有一水东南去，溯之行，其水曲折坞中，屡涉之，俄顷数十次。
A stream in this valley flows southeast. We walked upstream, and this stream meanders through the valley. We crossed it many times, and after a short time, we crossed it dozens of times.