音标发音英式音标 [ˈbaɪ.baɪz]美式音标 [ˈbaɪ.baɪz]英式发音 美式发音 基本解释睡觉同根派生 英汉例句It's time to go to/time for bye-byes!现在该去睡觉了!英英字典剑桥英英字典 an expression used by or to young children, meaning "go to sleep"