airy

形容词 airy:

1. open to or abounding in fresh air
   同义词：aired
2. not practical or realizable; speculative
   同义词：impractical, visionary, Laputan, windy
3. having little or no perceptible weight; so light as to resemble air
4. characterized by lightness and insubstantiality; as impalpable or intangible as air
   同义词：aeriform, aerial, aery, ethereal

1. An airy mood.
   快活的心情
2. The large window makes the room seem airy.
   那扇大窗户使这间房间显得很通风。
3. Nothing results from his airy plan.
   他那不切实际的计划毫无结果。