Owls inspired the pantograph — that’s the rig that connects the train to the electric wires above.

猫头鹰启发了受电弓——这是将火车连接到上方电线的装置。

The Adelie Penguin — whose smooth body allows it to swim and slide effortlessly — inspired the pantograph’s supporting shaft, redesigned for lower wind resistance.

阿德利企鹅——其光滑的身体使其可以毫不费力地游泳和滑行——启发了受电弓的支撑轴，重新设计以降低风阻。