datum /ˈdeitəm/ n.(pl. data) ［c］资料，材料：a data book 参考资料 Branch officials can access the central data bank.分部官员可以利用中央数据库。Thank you for furnishing me with so many data.谢谢你供给我这么多的资料。The data we have collected is not enough to be convincing.我们所收集的资料还不足以令人信服。