空气流通
Traditional form:
空氣流通
Pinyin (reading):
kōngqìliútōng
Definitions:
- ventilation; air circulation
Characters:
- 空 - hollow, empty, deserted, bare
- 气 - air, gas; steam, vapor; anger
- 流 - to flow, to drift, to circulate; class
- 通 - to pass through, to open, to connect; to communicate; common
Traditional characters: