justin bieber 的baby歌词。还要中文翻译,要带rap部分的。答:going down, down, down,down 我变得越来越沮丧 And I just can't believe my first love won't be around 我只是不敢相信我的初恋会不在我的身边 and now I'm like Baby, baby, baby ohh like baby, baby, baby noo like baby, baby, baby ohh I thought you'd always be mine mine 同上 When...