turn down an invitation是什么意思

turn down an invitation是什么意思 turn down an invitation是什么意思 turn+down+an+invitation是什么意思 turn down an invitation是拒绝邀请的意思吗? 英语翻译turn down /turn off? turn down voice还是turn down TV? turn down同义短语 turn upside down turn it down push down&turn是什么 turn down the music turn down the turn on/turn off/turn up/turn down/写出意思 turn off turn no turn up turn down 区别用法 turn off,turn on,turn down,turn up的用法 turn down与turn off的区别 turn up,turn down,close up,close turn down中的down是什么词性?