Tertiary

第三等级或次序的；随后的。

Of third rank or order; subsequent.

新生代早期(现代植物和哺乳动物出现的时期)的。

Of or pertaining to the first part of the Cenozoic era when modern flora and mammals appeared.

具有第三程度某种性质的；尤指经历了三个原子或基团的取代的。

Possessing some quality in the third degree; especially having been subjected to the substitution of three atoms or radicals.

指羽毛:长在鸟翼最内关节上的；三级飞羽的。

Of quills: growing on the innermost joint of a bird's wing; tertial.