submicrotubule

例句：

1. 1. The structure of the microtubule is crucial for cell division.
   微管的结构对于细胞分裂至关重要。
2. 2.The discovery of this protein has led to new treatments for cancer.
   这种蛋白质的发现为癌症治疗带来了新的希望。
3. 3.The research team focused on studying the behavior of submicrotubule in living cells.
   研究团队专注于研究活细胞中微管的行为。