spindle microtubule的用法和样例：
例句
- During cell division microtubules of the spindle assembled from tubutin subunits near organelles called centrioles move the chromosomes.
在细胞分裂期间，中心粒周围的由微管蛋白亚基装配形成的纺锤体微管移向染色体。 - As mitosis proceeds, the spindle microtubules play a crucial role in ensuring that both paired and separated chromatids move in the right directions at the proper times.
在有丝分裂过程中，是纺锤体微管确保了染色单体在适当时间以正确方向进行分离。
