arthroncus

例句：

1. 1.The doctor advised him to exercise regularly to maintain his joint health.
   医生建议他定期锻炼以保持关节健康。
2. 2. The scientist discovered a new way to articulate the language of birds.
   科学家发现了一种新方法来表述鸟类的语言。
3. 3. The dancers performed their routine with perfect articulation.
   舞者们表演他们的节目时完美地表达了动作。