triparental

例句：

1. 1. The triplets are the only ones who can understand each other's thoughts.
   这三位是唯一一个能够理解彼此思想的。
2. 2. The trichotomy of the law is a complex issue that requires careful consideration.
   法律的三分法是一个复杂的问题，需要仔细考虑。
3. 3. The triangle of power between the three leaders was a delicate balance to maintain.
   这三个领导人之间的权力三角关系是一种微妙的平衡需要维持。