平滑

例句：

1. 1. The surface of the table is very smooth.
   桌子的表面非常光滑。
2. 2.The car's paint job is so smooth that it looks brand new.
   汽车的漆面处理得如此光滑，看起来就像全新的一样。
3. 3. The road was smooth as glass, making driving easy.
   路面像玻璃一样光滑，使得驾驶变得容易。