Age of Mammals
美
英 
- un.哺乳动物时代
- 网络哺乳类时代;有哺乳类动物时代
英汉解释
例句
The age of mammals had well and truly started 250 million years ago . . . . . . and then a catastrophe happened.
哺乳动物的时代已经真正开始了。2.5亿年前……接着,灾难发生了。
Because the Cenozoic saw the expansion of warm-blooded creatures like ourselves, it is ALSO termed the age of mammals.
因为新生代出现大量的像我们人类一样的热血动物,所以这个时代也称为哺乳动物时代。