剑桥词典a decorative piece of card , often hung on the wall , that has a small opening with a door for each of the days of the month before Christmas . Children open one of these doors each day , finding a picture under it. 基督降臨歷（掛在牆上的裝飾卡，上有小門，孩子們在12月1日至聖誕節前每天打開一扇小門就可看到裡麪的圖畫） 返回 Advent calendar