be on cloud nine英 [bi ɒn klaʊd naɪn]美 [bi ɑːn klaʊd naɪn]网络 欣喜若狂英英释义verbfeel extreme happiness or elationSynonym:exultwalk on airjump for joy双语例句The couple seemed to be on cloud nine.那对夫妇看上去极其幸福。
