noun 下载 🔗分享 桦树皮 The bark of the birch tree, especially the white bark of the paper birch, Betula papyrifera. Examples : "The camper used a piece of birchbark to help start the campfire. " 露营者用一片桦树皮来帮助点燃篝火。 material plant environment 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 桦树皮, 白桦树皮 A piece of this bark, formerly used for writing on. Examples : "The ancient message was carefully written on a piece of birchbark. " 古代的信息被小心翼翼地写在一片桦树皮上。 material writing history 与AI对话词汇游戏阅读练习
