long since片語KK [lɔŋ sɪns] /lɔŋ sɪns/發音片語1早已、早就多與完成式連用The factory has long since closed, and the workers have moved away.那家工廠早已關閉,工人也都搬走了。2很久以前、久已Those carefree summers are long since gone.那些無憂無慮的夏天已是很久以前的事了。