buried joint

例句：

1. 1. The teamwas able to find the buried joint ofthe old tree.
   团队能够找到老树的埋藏关节。
2. 2. The doctor carefully removed theburied joint and performed surgery on it.
   医生小心翼翼地移除了埋藏关节并进行手术。
3. 3. Theancient ruins are believed to have beenburied joints from a long-lost civilization.
   据信，这些古代遗迹是来自一个早已消失文明的埋藏关节。