Home HSK Vocabulary HSK 7–9 螺丝 螺丝 luó sī HSK 7–9 · C2 Meanings screw Quick facts Traditional螺絲 HSK LevelHSK 7–9 CEFRC2 ← Back to HSK 7–9 Overview Practice 螺丝 with flashcards MandoBridge uses spaced repetition to help you remember HSK 7–9 vocabulary — free on iOS and Android. ← All HSK 7–9 vocabulary