Home HSK Vocabulary HSK 6 因素 因素 yīn sù HSK 6 · C1+ Meanings element factor Quick facts HSK LevelHSK 6 CEFRC1+ ← Back to HSK 6 Overview Practice 因素 with flashcards MandoBridge uses spaced repetition to help you remember HSK 6 vocabulary — free on iOS and Android. ← All HSK 6 vocabulary