JACK赵俊
building(复数形式) buildingsbridges(单数形式) bridgethere are not(缩略形式)there're not 或者 there aren't
木木停留
可数名词是建筑物就是buildings.例:old buildings不可数是建筑工程,项目building. 例:build costs(建筑花销)两个是two buildings
我是娜弟
building 英[ˈbɪldɪŋ] n. 建筑物; 房屋; 楼房; 建筑(艺术或行业); v. build的现在分词; [例句]They were on the upper floor of the building他们在这座建筑物的楼上。[其他] 原型: build 复数:buildings