hundred million years

hundred million years 基本解释

亿年

hundred million years 用法和例句

1、Paleontologists found the living fossils of plants that were one hundred million years old

古生物学家发现了距今1亿年的孑遗植物。

2、The bullet cluster is more than three thousand million light years away. It formed in the last one hundred million years.

子弹三千多万光年。这是在最后几年亿。

重点词汇

hundred num. 一百；许多；100 到 999 间的数目；某个世纪的年代 n. 一百；许多 adj. 一百的；许多的

million n. 百万, 无数 num. 百万

years n. 年代；岁月；年；年龄