多年的

I have a friendship of long standing with him.

我与他有多年的交情。

They have a friendship of long standing.

他们有着多年的交情。

We have a history as long as 50 years of producing oil well pipe.

我国生产油井管已有50多年的历史。

They have been making oiled paper umbrellas for more than 400 years.

他们制造油纸雨伞已经有四百多年的历史了。

Eg.2. They have been making oiled paper umbrellas for more than 400 years.

他们制造油纸雨伞已经有四百多年的历史了。

I t' s more than 200 years ol d.

那个花瓶很珍贵，它有200 多年的历史。

An old-established two-party system is giving way to a far more polarising class divide.

建立多年的两党制正促使阶级划分更朝两极化发展，并且双方都在规避法治。

An old-established two-party system is giving way to a far more polarising class divide. And the rule of law has been circumvented by both sides.

建立多年的两党制正促使阶级划分更朝两极化发展，并且双方都在规避法治。

Ultimately (after more than 10 years as an omnivore), she contemplates vegetarianism.

最终（做了10多年的杂食者后），她打算做一名素食主义者。

After years of hard work, the Johnsons found themselves on easy street.

经过多年的辛勤工作，约翰逊一家人境况宽裕了。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。