| 词汇 | be walking/floating on air | 
| 释义 | be walking/floating on air idiom    欢天喜地;得意洋洋 to be very happy and excited because something very good has happened to you  Ever since she met Mark, she's been walking on air. 自打遇到马克那天起,她每天都是喜气洋洋的。  | 
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