Ministry of Education 《Revised Mandarin Chinese Dictionary》

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Word	臥牛城
Bopomofo	`ㄨㄛ^ˋ` `ㄋㄧㄡ^ˊ` `ㄔㄥ^ˊ`
Hanyu pinyin	wò niú chéng
Interpretation	開封市的舊名。參見「開封市」條。