形容詞 airy:

1. open to or abounding in fresh air
   同義詞：aired
2. not practical or realizable; speculative
   同義詞：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
   同義詞：aeriform, aerial, aery, ethereal

1. An airy mood.
   快活的心情
2. The large window makes the room seem airy.
   那扇大窗戶使這間房間顯得很通風(fēng)。
3. Nothing results from his airy plan.
   他那不切實際的計劃毫無結(jié)果。