A sea cucumber can reversibly alter the stiffness of its tissue to improve its load capacity.

海参可以可逆地改变其组织的硬度，以提高其承载能力。

Now researchers are looking into creating complex softbots -- that can reversibly change shape.

现在，研究人员正在研究创造复杂的软体机器人——可以可逆地改变形状。