凸圆的

例句：

1. 1. The sun is shining brightly in the sky.
   太阳在天空中灿烂地照耀。
2. 2. The ball was rolling smoothly on the grass.
   球在草地上滚动得非常顺畅。
3. 3. The car's wheels were protruding from the ground.
   汽车的轮子从地面上凸出。