wave to say goodbye中的to是做介词还是副词?还有说说to的用法?谢谢

wave to say goodbye是什么意思? Lily is____（wave）to say Goodbye 英汉互译 wave to say goodbye call out his name 听收音机 开始大声唱歌 wave to say goodbye中的to是做介词还是副词?还有说说to的用法?谢谢 If You Began To Wave Goodbye! time to say goodbye say goodbye to yesterday. say goodbye to 造句 say goodbye to say ,goodbye to it'hard to say goodbye! say hello to goodbye 翻译 Say Hello to Goodbye歌词 say goodbye to their teachers say holle to goodbye翻译 英语翻译翻译.1 play the trumpet 2 eat dinner 3 ride a bike 4 do morning exercises 5 wave to say goodbye i'd like to say goodbye to. I hate to say goodbye to you!