密封
In Mandarin Chinese, 密封 (mìfēng) means “to seal up; airtight”. It is part of the HSK 7–9 vocabulary list in the official HSK 3.0 standard.
Meaning
- to seal up
- airtight
In Mandarin Chinese, 密封 (mìfēng) means “to seal up; airtight”. It is part of the HSK 7–9 vocabulary list in the official HSK 3.0 standard.