几年来的英文：
for the past several years

参考例句：

Wages have been on the rise in the past few years.
过去几年来工资在增加。

The birth rate in France has been declining for several years.
法国的出生率几年来一直在下降。

For many years he was top banana on the circuit.
几年来，他是巡回剧团里的主角。

Over the years several similar theories have been put forward.
几年来已经有好几个类似理论相继提出。

The birth rate in our country has been declining for several years.
我国人口的出生率几年来一直在下降。

The two teams traded off with each other several years for first place in the football league.
这两队几年来轮番获得足球联赛的冠军。

Over the years, thousands of citizens fled to neighbouring countries
几年来，成千上上万的居民逃往邻国。

She has been dyeing her hair black for years.
几年来她一直把头发染成黑色。

My tastes have changed enormously over the years.
几年来我的爱好有了很大改变.

The birth rate in our country has been declining for several years
我国人口的出生率几年来一直在下降。

past是什么意思：
n. 过去；往事
adj. 以前的；结束了的；过去式的
adv. 以前地；经过，超过
prep. 在…之后，晚于；再也无法；经过，越过；超过

The past is the prologue.
前事不忘，后事之师。

He pasted the wall with Burlap. The wall is pasted with splotches.
他用粗麻布贴墙。墙上沾满了污点

It happened far back in the past.
这事发生在久远的过去。

several是什么意思：
adj. 几个的；各自的
pron. 几个；数个

Rape several women or have sexual relations with several girls
强奸妇女、奸淫幼女多人的

This assumption is false in several ways.
这种推断是错误的，错在了多个方面。

It comes with several inbuilt features.
他有很多固定的特征。

years是什么意思：
n. 年；学年，年度；年级学生；年龄；时期；很久；一年时间

Year succeeds to year.
年复一年。

This year is a banner year for crops.
今年是个丰年。

Year after year went past.
一年又一年过去了。