airiness  
noun [ U ]  approving uk/ˈeə.ri.nəs/ us/ˈer.i.nəs/
  (LIGHTNESS)         
 通风;宽敞,空敞
the quality or condition of having a lot of light and space
  There is a feeling of airiness here because of the high ceilings. 因为天花板造得高,这里有一种空气流通的感觉。 
 The stadium has a modern design and there's a nice airiness and openness. 体育场采用现代设计,通风良好,空间开放。 
  通风;微妙;轻盈
the quality of being delicate, as if full of air
  She moved with the grace and airiness of a dancer. 她的举手投足展现了舞者的优雅和轻盈。 
 The performance needed just a touch more airiness. 这个表演需要在细部稍做润色。 
 - More examples
 - What the building lacks in light and airiness it makes up for in history.
 - It's a popular picnic spot, and its airiness attracts kite-flyers.
 - The skylight adds some welcome airiness to the room.
 
See: airy