a card with a word or picture on it, used by teachers during lessons 教学卡片;识字卡 a feature in an app or online game that flashes up a word or picture, used as a teaching or learning aid 教学卡片;识字卡 This study app has flash cards and word games that children love. 这个学习app有孩子们喜欢的闪存卡和文字游戏。