noun 下载 🔗分享 阶梯座位,梯级座位 Any of a series of terraced steps or seats, as in an arena or an altar. Examples : "The priest placed candles on each gradin of the altar, leading up to the crucifix. " 神父在祭坛的每一级阶梯座位上都放了蜡烛,一直延伸到苦像前。 architecture building structure place 与AI对话词汇游戏阅读练习