coved and flat ceiling

例句：

1. 1.The old house had a coved and flat ceiling that made it feel cozy.
   这所老房子有一个凸凹不平的天花板，让它感觉非常温馨。
2. 2.The flat ceiling made the room look smaller than it actually is.
   这个平直的天花板让房间看起来比实际小。
3. 3. The new apartment has a sleek, coved and flat ceiling that complements its modern design.
   新公寓有一个光滑的、凸凹不平的天花板，与它的现代设计相得益彰。