平屋顶基本上是单坡屋顶和单斜屋顶.Flat roofs are basically either shed or lean - to roofs.平屋顶的构成方式基本上与木地板相同.Flat roofs are framed in essentially the same way as wood floors....
She still listens to the tapes I made her.她还在听我为她录制的带子。He listens and waits for the narrator to explain more.他听著,等待讲的人进一步解释.She listens to classical music for relaxation.她听古典音乐放松....