dead-level roofdeck roofflat roofflat rootrooftopterrace rooftruncated roof平: flat; level; even; smooth屋顶: roof; housetop玻璃平屋顶: deck glass roof; glazed flat roof木平屋顶: wooden flat roof平屋顶;平台: flat roof下载手机词典可随时随地查词查翻译