noun 下载 🔗分享 煤烟棕，深棕色。 A brown pigment made from soot, especially from beech wood. Examples : "The old photograph had faded to a sepia tone, with hints of bistre in the darker shadows. " 那张老照片已经褪色成了棕褐色，但在较暗的阴影中还能看到一些煤烟棕的痕迹。 art material substance color 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 赭褐色，棕褐色。 A mid-to-dark brown color resembling the pigment. Examples : "The old photograph had faded to a gentle bistre, giving it a warm, antique feel. " 这张老照片已经褪色成柔和的赭褐色，给人一种温暖、古朴的感觉。 color appearance 与AI对话词汇游戏阅读练习
