Neogene
adjective geology specialized uk/ˈniː.əʊ.dʒiːn/ us/ˈniː.oʊ.dʒiːn/
新第三纪的（迄今2200至250万年前间，许多现代哺乳动物和早先形态的人类在这一时期出现）
from or referring to the period of time between about 22 and 2.5 million years ago, in which many modern mammals and the earliest forms of humans appeared
the Neogene period 新第三纪时期
Neogene rocks 新第三纪岩石
the Neogene
noun [ S ]
新第三纪时期
the Neogene period