这些微管在细胞内形成支架，帮助维持细胞的形状。

The ___microtubules form a scaffold inside the cell to help maintain its shape.

纤毛的运动是由微管的滑动驱动的。

The movement of cilia is driven by the sliding of ___microtubules.

细胞内物质通过马达蛋白沿着微管运输到特定位置。

Cellular materials are transported to specific locations by motor proteins moving along ___microtubules.