Home / HSK Vocabulary / HSK 7–9 / 口腔 口腔 kǒu qiāng HSK 7–9 · C2 Meanings oral cavity Quick facts HSK LevelHSK 7–9 CEFRC2 ← Back to HSK 7–9 word list Practice 口腔 with flashcards MandoBridge uses spaced repetition to help you remember HSK 7–9 vocabulary — free on iOS and Android.