million years ago在阿黛尔歌曲里是什么意思?

million years ago
百万年前
例句筛选
1.
Allegedly about a million years ago we became humans as result ofevolution.
据说大约一百万年以前历隐信.我们进化携贺成人肢轮类，

2.
Cretaceous Period, 145 million years ago, was the age of the dinosaurs.
白垩纪期间，145百万年前，是恐的年。