单词 鸟步 例句 DEFINITIVE EXAMPLES 权威例句〔corbie gable〕A gable roof with corbie-steps.梯级山墙:一种具有鸟步的山墙美国传统〔corbie-step〕One of a series of steps or steplike projections on the top of a gable wall.鸟步:山墙顶上一系列踏步或踏步状突出的...