This magnet is sustained by a very strong axle of adamant passing through its middle, upon which it plays, and is poised so exactly that the weakest hand can turn it.

这块磁石由一根穿过其中心的非常坚固的硬磁石轴支撑，可以自由转动，而且平衡得如精确，以至于最微弱的手也能转动它。

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力地泳和滑行——启发了受电弓的支撑轴，重新设计以降低风阻。