sarcotubules

例句：

1. 1.The sarcotubules are used to filter out impurities in the water.
   这些细长管用于过滤水中的杂质。
2. 2. The scientist discovered a new type of sarcotubule that could be used for medical purposes.
   科学家发现了一种新类型的细长管，可以用于医疗目的。
3. 3. The sarcotubules were made from materials that would not harm the environment.
   这些细长管由不会对环境造成伤害的材料制成。