n.使物体平滑的方法；使油漆无光泽的方法
The flat lets for30 yuan a month. 这套公寓房间每月租金30元。
We had undervalued the flat by 5000. 我们对这套公寓的估价少了5000英镑。
He's asking 80 a month rent for that flat. 那套房间月租他要80英镑。
She was out of bed, dressed and at the breakfast table in 50 seconds flat. 她起床、 穿衣、 坐到饭桌旁，一共才用了50秒钟。
