noun 下载 🔗分享 四边形，四角形 A polygon with four sides. Examples : "The teacher asked us to draw a quadrilateral, so I drew a shape with four straight sides. " 老师让我们画一个四边形，所以我画了一个有四条直边的图形。 math figure 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 四角防御地带, 四角要塞区 An area defended by four fortresses supporting each other. Examples : "The Venetian quadrilateral comprised Mantua, Peschiera, Verona, and Legnano." 威尼斯四角防御地带包括曼图亚、佩斯基耶拉、维罗纳和莱尼亚诺。 military building area 与AI对话词汇游戏阅读练习
adjective 下载 🔗分享 四边形的，有四条边的 Having four sides. Examples : "The backyard is a quadrilateral space, fenced in on all four sides. " 后院是一个四边形的场地，四周都用栅栏围了起来。 math figure 与AI对话词汇游戏阅读练习
