仿生学帮助科学家设计出像人类手臂一样灵活的机械臂。

___Bionics helps scientists design robotic arms that move as flexibly as human arms.

科学家通过仿生学设计了新型水下机器人，模仿鱼类的游动方式。

Scientists used ___bionics to design a new underwater robot that mimics how fish swim.