turn back on和turn back upon有什么区别?

turn back on和turn back upon有什么区别? turn back和turn away的区别 turn back to和turn to 区别 turn back turn back turn back 和turn back to 哪个是动词短语 turn on 和 turn up 的区别 turn back 和 come back 什么区别 turn sb's back on sth/sb Please always turn your back on me. based on,take out,turn back don't turn you back on Turn My Back On You 歌词 turn around和turn back有什么区别呢 简单英语Don't turn your back on meDon't turn your back on me 英语翻译if you turn back the world,the world will turn back on you. I didn't expect him to __me when I needed his help.A.turn back.B.turn off.C.turn on.D.turn his back on 用turn on和turn off各造2句话