HSK 7-9
口音
kǒuyīn名
(linguistics) oral speech sounds
多年以后，他的家乡口音仍没变。
Duō nián yǐ hòu, tā de jiā xiāng kǒu yīn réng méi biàn.
Years later, his hometown accent still had not changed.
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Appears across levels (7-9) in the HSK 3.0 word list.