noun
air flow; air current
Refers to the movement of air, often in technical or descriptive contexts such as ventilation, aerodynamics, or weather.
この部屋は空気流が悪いので、換気扇をつけた。
The air flow in this room is poor, so I installed a ventilation fan.
飛行機の翼の形は空気流を考慮して設計されている。
The shape of an airplane wing is designed with air flow in mind.