心情舒畅的

例句：

1. 1. The road was very smooth as it had been recently resurfaced.
   这条道路非常平滑，因为它最近重新铺过了。
2. 2. The surface of the lake is very smooth, reflecting the sunlight beautifully.
   湖面非常平滑，反射着阳光，美丽极了。
3. 3. The car's paint job was so smooth that it looked brand new.
   汽车的漆工做得非常平滑，看起来就像全新的一样。