Gymnostomina

例句：

1. 1. The dinosaurs were the first animals to walk on land.
   恐龙是第一批行走在陆地上的动物。
2. 2. The gymnastics team performed a routine that was breathtakingly beautiful.
   体操队表演了一套令人惊叹的美丽动作。
3. 3. Gymnastics is a sport where athletes perform complex moves and tricks.
   体操是一项运动员表演复杂动作和技巧的运动。