vaginae synoviales digitales manus

例句：

1. 1.The doctor examined her vagina andfound no signs of infection.
   医生检查了她的阴道，没有发现感染的迹象。
2. 2. The patient's joints were stiff and painful.
   病人的关节僵硬且疼痛。
3. 3. She usedher fingers to pick up the ball andthrow it back to the other team.
   她用手指捡起球并扔回对方队伍。