Home HSK Vocabulary HSK 7–9 能源 能源 néng yuán HSK 7–9 · C2 Meanings energy power source Quick facts HSK LevelHSK 7–9 CEFRC2 ← Back to HSK 7–9 Overview Practice 能源 with flashcards MandoBridge uses spaced repetition to help you remember HSK 7–9 vocabulary — free on iOS and Android. ← All HSK 7–9 vocabulary