多年的的英文：
perennial

The history of firework can be dated back to over 2,000 years ago.
爆竹有大约2000多年的历史了。

That mistake plagued him for years.
那个错误使他痛苦了许多年。

Over 20 Years of Progress in Radiation Oncology
放射肿瘤学经过20多年的发展

The rickety chair fell apart.He fell apart after years as a POW.
摇晃的椅子散架了。作战俘多年，他崩溃了

Years ago people had to crank the engine of a car to start it.
多年以前人们必须转动曲柄发动汽车引擎。

By gracious! Luck has come our way at last, after all the hard sledding
谢天谢地！我们拼命苦干了多年，终于交上好运了。

That was over twenty years ago, but Constance perfectly remembered.
那是20多年以前的事了，但康斯坦斯仍清楚地记得。

They'd had a close platonic relationship for more than thirty years.
他们之间的柏拉图式的亲密关系已有三十多年了.

They'd had a close platonic relationship for more than thirty years
他们之间的柏拉图式的亲密关系已有叁十多年了

Tangshan is the place where a violent earthquake took place more than 20 years ago.
唐山就是二十多年前发生过一次大地震的地方。

It's a low-growing perennial.
它是多年生矮小植物。

A perennial plant, such as the English daisy, cultivated as a biennial.
以两年生植物栽种的多年生植物，如英国雏菊

The fine carnation of their cheeks is perennial as sunlight in the seventh heavens
她们面颊的美丽的淡红色象七重天里的阳光始终辉煌灿烂。

The fine carnation of their cheeks is perennial as sunlight in the seventh heavens.
她们面颊的美丽的淡红色像七重天里的阳光始终辉煌灿烂。

Switchgrass is a perennial native grass that grows quickly.
柳枝稷是一种生长快速的多年生本地草种。