名詞 miocene:

1. from 25 million to 13 million years ago; appearance of grazing mammals
   同義詞：Miocene epoch

Mi.o.cene

adj.（形容詞）
Of, belonging to, or characteristic of the geologic time, rock series, and sedimentary deposits of the fourth epoch of the Tertiary Period, characterized by the development of grasses and grazing mammals.See table at geologic time
中新世的：與以草本植物和食草哺乳動(dòng)物的發(fā)展為特征的第三紀(jì)第四世的地質(zhì)時(shí)代、巖系和沉積層有關(guān)的，屬于這一世的參見(jiàn) geologic time
n.（名詞）
The Miocene Epoch.
中新世
The deposits of the Miocene Epoch.
中新世的沉積物

來(lái)源：
Greek meiôn [less] * see mei- 2
希臘語(yǔ) meiôn [少] *參見(jiàn) mei- 2
-cene
-cene