With respect to fleetness, which depends on many bodily characters, Eclipse was far fleeter, and a dray-horse is comparably stronger, than any two natural species belonging to the same genus.
关于取决于许多身体特征的快速性, Eclipse 属于同一属的任何两个自然种都要快得多, 而一匹拖拉马对来说更强壮。