element pair

例句：

1. 1. The study of atomic structure is essential for understanding the behavior of elements.
   研究原子结构对于理解元素的行为至关重要。
2. 2.In quantum mechanics, an element pair refers to a pair of particles that interact with each other.
   在量子力学中，元素对指的是相互作用的两个粒子。
3. 3.The discovery of new elements pairs has sparked excitement in the scientific community.
   新元素的发现激发了科学界的兴奋。