the blooded animals with four only: as, for instance, man with two hands and two feet, birds with two wings and two feet, quadrupeds and fishes severally with four feet and four fins.

• 有血动物只有四个：像是，例如，人有两手和两脚，鸟有两翅和两足，四足动物和鱼各自有四足和四鳍。