noun 下载 🔗分享 十字石,交十字石。 A dark brown nesosilicate mineral that has crystals that cross and intergrow Examples : "The geology student found a piece of staurolite with a distinct cross shape on her field trip. " 那位地质学专业的学生在野外考察时发现了一块十字石,上面有非常明显的十字交叉形状。 geology mineral material science 与AI对话词汇游戏阅读练习