To do this years of effortful study, motivation is a very important factor
长达数年的刻苦学习的关键：激励！
This work had absorbed him for several years.
这项工作曾使他沉迷了好几年。
This book is the result of 25 years of research.
这本书是25年研究的结晶。
This is his sunset tour after fifty years as a singer.
这是他五十年歌手生涯结束前最后一次巡回演出。
This moment will live in our memory for many years to come.
这一时刻将在我们的记忆中留存许多年。
This model was two years in the making.
这种型号是用两年时间制成的。
They may be able to muddle through the next five years like this.
他们也许能像这样应付过未来的5年。
To qualify, you must have lived in this country for at least three years.
你必须在这个国家居住至少三年才能享有此权利。
She has lived alone in this house for almost five years now.
她现在已经独自在这所房子里住了差不多五年了。
I've been in this job for, oh, about six years.
我做这项工作，嗯，有六年左右了吧。
This is another worry that has come to the foreground in recent years.
这是近年来已变成关注重心的又一件令人担忧的事。
This is one of the most exciting developments in biology in recent years.
这是近年来生物学上令人振奋的发展之一。
This was years ago when I was at school.
这是几年前我在学校的时候。
This tree is about 350 years old.
这棵树大约有350年的历史。
What! This railway took only two years to build?
啊!这条铁路只用两年就修成啦？
This medicine is effective if used within three years.
这种药3年以内有效。
All this lay buried for more than 3,000 years.
这一切都被埋葬了3000多年。
Large and important projects such as this one often take years to develop.
大型的重要项目需要花好几年开发，比如说这个。
It is impossible to root out this disease in a few years.
不可能在几年内根除这种疾病。
We spent over five years on this project.
这项工程我们花了五年多时间。
It's going to be twenty years for you this time.
这次可要给你20年了。
This means that a few years from now, a robot could be writing this column.
这意味着从现在起几年后，可能是一个机器人在写这篇专栏。
Two hours on a dreadful night like this are as long as two years.
在这样可怕的夜晚呆上两个小时，就像两年那么长。
This summer was the finest that had been for years.
这个夏天是多年来最最美丽的。
This has been talked about so much, really, in recent years.
近年来，这件事真的已经被谈论了很多次。
Professor Bonnet has been working for many years on molecules of this type.
博内特教授多年来一直在研究这类分子。
Down through the years this town has seen many changes.
这些年来这座城市发生了许多变化。
Though ten years old, this book is highly recommended.
尽管已出版10年了，这本书仍备受推崇。
They would have been married forty years come this June.
到今年六月他们结婚就有四十年了。
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