《徐霞客游记·粤西游日记三十九》
它的上游来自于泅城州境内，它的下游向东流经永顺土司北面五里，立即流下石坝，成为罗木渡的江流了。
其上流来自泗城界，其下流东历永顺土司北五里。即下石堰，为罗木渡者也。
Its upper reaches come from the Xuchengzhou境内, and its lower reaches flow eastward through five miles north of Yongshun Tusi, and immediately flow down the stone dam, becoming the river of Luomudu.
<s>[INST] Take each pair of old and new sentences and unite them into a single translation that captures the core meaning: Archaic: 其上流来自泗城界，其下流东历永顺土司北五里。即下石堰，为罗木渡者也。 Updated: 它的上游来自于泅城州境内，它的下游向东流经永顺土司北面五里，立即流下石坝，成为罗木渡的江流了。 [/INST] Its upper reaches come from the Xuchengzhou境内, and its lower reaches flow eastward through five miles north of Yongshun Tusi, and immediately flow down the stone dam, becoming the river of Luomudu.</s>
Take each pair of old and new sentences and unite them into a single translation that captures the core meaning: Archaic: 其上流来自泗城界，其下流东历永顺土司北五里。即下石堰，为罗木渡者也。 Updated: 它的上游来自于泅城州境内，它的下游向东流经永顺土司北面五里，立即流下石坝，成为罗木渡的江流了。
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Its upper reaches come from the Xuchengzhou境内, and its lower reaches flow eastward through five miles north of Yongshun Tusi, and immediately flow down the stone dam, becoming the river of Luomudu.
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