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Example
歷史課上，老師介紹了遼的疆域。
历史课上，老师介绍了辽的疆域。
In history class, the teacher introduced the territory of the Liao dynasty.
Usage Notes
As an adjective it is mostly seen in words about distance or openness. As a name, it can refer to the Liao dynasty, Liaoning, or a family name.
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