This is the 7372nd most frequent Chinese word.
芜湖
Wuhu: A city in Anhui Province, China.
Here, 芜湖 is used as a proper noun representing a city name.
芜湖是中国安徽省的一个地级市。
Wuhu is a prefecture-level city in Anhui Province, China.
In this sentence, 芜湖 is used as an interjection, mimicking an exclamation of joy or excitement.
他大喊一声“芜湖”，表达了自己的兴奋之情。
He shouted 'Wuhu' to express his excitement.
Here, 芜湖 is again used as a proper noun referring to the city's geographical and cultural information.