walking in the air空中漫步

1.We' re floating in the moonlit sky
  float v.漂浮, 浮現(xiàn), 飄動,提出
  例如：
    1.The logs floated down the river.
      木頭在河上放流。
    2.Idle thoughts floated through his mind.
      莫名其妙地想法浮現(xiàn)在他心頭。
    3.White clouds float over the blue sky.
      藍藍的天上漂浮著朵朵白云。
2.The people far below are sleeping as we fly
  as  在這里的意思時：當…時
3.We' re holding very tight
  hold  v.拿著, 控制, 容納, 握住, 持有, 保持, 掌握, 認為, 舉行
  例如：
    1.My new car holds the road well.
      我的新汽車貼路性能很好。
    2.I don't think the car will hold you all.
      我看這輛汽車坐不下你們這些人。
    3.We held our breath in fear.
      我們因害怕而屏住呼吸。
4.The villages go by like dreams
  go by (時間)過去, 經(jīng)過, 走過, 依照
  例如：
    1.He can drive his car to work or go by bus.
      他可以自己駕車上班或乘公車。
    2.He let a week go by before answering the letter.
      他一周以后才回信。
5.We' re surfing in the air
  surf  v. 沖浪, 瀏覽 
  例如：
    1.The surf broke on the rocks.
      迎頭浪沖上巖石四下迸濺。
    2.If the waves are big enough, we'll go surfing.
      如果浪夠大的話，我們就去沖浪。
6.We' re drifting over icy mountains floating by
  drift 漂流, 漂移, 吹積, 漂泊, 偏離 
  例如： 
    1.She finally drifted in two hours after everyone else.
      在大家到齊之後兩小時，她終於姍姍來到。
    2.A tiny fishing boat was drifting slowly along.
      一只小小的漁船在緩緩地漂去。
    3.The road was edged with snow drifts.
      路邊上有一個個雪堆。