Of,belonging to,or designating the latest era of geologic time,which includes the Tertiary Period and the Quaternary Period and is characterized by the formation of modern continents,glaciation,and the diversification of mammals,birds,and plants.

• 新生代的、隶属于或称呼地质史上最新的时代的，包括第三纪和第四纪，其特征为现代大陆的形成、冰川作用以及哺乳动物、鸟类和植物的多样化。