ventilation system

Từ điển Oxford Learners Wordfinder Dictionary

noun

a mechanical system in a building that provides fresh air
- she was continually adjusting the ventilation
• Syn:
ventilation, ventilating system
• Derivationally related forms:
ventilate (for: ventilation)
• Hypernyms:
mechanical system
• Part Meronyms:
ventilation shaft, ventilator