具体意义时是可数名词，抽象意义时充当不可数名词。material的基本意思是“材料、原料”，尤指“布料”，可用作可数名词，也可用作不可数名词。泛指“建筑材料、化肥原料、战略物资、原材料”时，用复数形式。
material英语例句1.The material consisted only of already published, unclassified information.
这份材料里只有一些已公开的、非保密性质的信息。
2.This will give your promotional material individuality and style.
这会让你的促销品显得个性*、格调高雅。
3.In its untreated state the carbon fibre material is rather like cloth.
原始的碳纤维材料很像布料。
4.His last book,"Needful Things", was a retread of tired material.
他的上一本书《必需品》尽在重复些老掉牙的内容。
5.She enjoys the material comforts married life has brought her.
她喜欢婚姻生活带给她的物质享受。