Home HSK Vocabulary HSK 4 毫米 毫米 háo mǐ HSK 4 · B2 Meanings millimeter Quick facts HSK LevelHSK 4 CEFRB2 ← Back to HSK 4 Overview Practice 毫米 with flashcards MandoBridge uses spaced repetition to help you remember HSK 4 vocabulary — free on iOS and Android. ← All HSK 4 vocabulary