Home HSK Vocabulary HSK 7–9 灰尘 灰尘 huī chén HSK 7–9 · C2 Meanings dust Quick facts Traditional灰塵 HSK LevelHSK 7–9 CEFRC2 ← Back to HSK 7–9 Overview Practice 灰尘 with flashcards MandoBridge uses spaced repetition to help you remember HSK 7–9 vocabulary — free on iOS and Android. ← All HSK 7–9 vocabulary