《汉书·志·地理志下》
浩叠县，浩叠水流出西塞外，向东到允吾县流入湟水。
浩亹，浩亹水出西塞外，东至允吾入湟水。
Haodu County, the Haodu flows out of the west of Qixie Pass, and flows east to Yuwu County where it flows into the Huanghe River.
<s>[INST] Explain the meaning of this Classical Chinese passage in English: 浩亹，浩亹水出西塞外，东至允吾入湟水。 [/INST] Haodu County, the Haodu flows out of the west of Qixie Pass, and flows east to Yuwu County where it flows into the Huanghe River.</s>
Explain the meaning of this Classical Chinese passage in English: 浩亹，浩亹水出西塞外，东至允吾入湟水。
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Haodu County, the Haodu flows out of the west of Qixie Pass, and flows east to Yuwu County where it flows into the Huanghe River.
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