barrel roof的用法和樣例：
例句
- The tower is topped by a low pyramidal roof with a weathercock.
這座塔以帶有風(fēng)標的低金字塔形屋頂為頂點(diǎn)。 - The circular roof, modeled on a traditional Korean pavilion , is covered with titanium-coated steel, built to withstand the heaviest of storms.
韓國傳統閣樓式的園形屋頂上覆蓋了一層鍍鈦鋼板，這樣的設計能夠抵擋最劇烈的暴風(fēng)雨。
