secondary nucleus

例句：

1. 1. The study ofthe secondary nucleus is crucial forunderstanding the behavior of cells.
   研究次级核对于理解细胞行为至关重要。
2. 2. The discoveryof the secondary nucleus has revolutionized our understanding of genetics.
   发现次级核已经彻底改变了我们对遗传学的理解。
3. 3. The research on the secondary nucleus is still in its early stages,but it holds great promise for future advancements in medicine.
   关于次级核的研究仍处于初级阶段，但它为未来医学的进步提供了巨大的潜力。