advanced in years

Novel condensed ring derivative with advanced optical and electrical properties has become extensive study area of liquid crystalline material for display in recent years.

新型稠环衍生物类液晶具有优越的光电性能，是近年来显示用液晶材料研究的热点领域；

My grandfather is the most advanced in years and senior in generation in my family.

爷爷是家族中最年尊的长辈.

He is advanced in years.

他年事已高.

In a statement issued by the museum, Dr. Milner said, "If flight was this advanced by the time Archaeopteryx was around, then were birds actually flying millions of years earlier than we'd previously thought?"

在博物馆编写的综述中，米尔纳博士写到，如果出现始祖鸟的时候飞行就已经到了如此高级的阶段，那么鸟类是否实际上比我们先前考虑的时间还要早数百万年就飞行了呢？

He is advanced in years, but he has good hearing and eyesight.

他虽年纪高迈, 但仍耳不聋,眼不花.

He was already advanced in years , and lived in a very retired manner.

他当时已经老了, 过着深居简出的生活.

He is already advanced in years.

他已年老.

Although advanced in years she is still very much alive.

她虽已年迈,但仍很活跃.

Paul prolonged his education with six years of advanced study in English.

保罗延长了他的受教育时间，打算花6年时间深造英语。

Though advanced in years, he still has good hearing.

老先生虽然上了些年纪, 但耳音依然很好.

As he was advanced in years, his life was far from satisfactory.

随着年岁增高, 他的生活越来越不如意了.

He is pretty well advanced in years, but hale , robust, and florid ( Tobias Smollett ).

他年纪虽相当大了但仍很健壮 、 结实且脸色红润 ( 托比亚斯斯摩莱特 ).

Although she is advanced in years, she still keeps on working!

她虽然年纪大了, 但是还依然坚持工作呢!

It is our duty to take good care of the advanced in years.

悉心照顾老年人是我们的责任.