Home / HSK Vocabulary / HSK 5 / 周期 周期 zhōu qī HSK 5 · C1 Meanings period cycle Quick facts HSK LevelHSK 5 CEFRC1 ← Back to HSK 5 word list Practice 周期 with flashcards MandoBridge uses spaced repetition to help you remember HSK 5 vocabulary — free on iOS and Android.