roofs [ru:fs]

以下由轻松背单词网站提供

附加级

n.屋顶( roof的名词复数 )；(1)顶板(2)顶（巷道）；有…顶的；洞顶

low buildings with flat roofs 平顶矮建筑物
The heavy wind blew roofs off in several cities. 在好几个城市大风掀掉了屋顶。来自《简明英汉词典》