She's working towards her PhD.是什么意思？

She's working towards her PhD.

她在攻读博士学位.

working

adj. （涉及）工作的，（人）有工作的，（时间）用于工作上的，（想法等）可作为基础的；v. （使）工作( work的现在分词)，（使）运作，运转，（使）产生效果；n. 工作，活动，制作，操纵；

例句
The workforce have recently been calling for their working hours to be reduced. Many companies have accordingly switched to a five-day week.
工人们最近一直在呼吁缩短工作时间。许多公司于是转成了一周五天工作制。

towards

prep. 朝，向，对于，接近，为了；

例句
...absent fathers who fail to pay towards the costs of looking after their children.
那些不在子女身边、未能支付抚养费的父亲

her

pron. (she的宾格)她，(she的所有格)她的，她，指某个国家，（一艘）船；

例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

PhD

abbr. panty-hose distributor 女裤，长筒袜分销商，piled higher and deeper 垒得更高，poor；

例句
He is more highly educated, with a PhD in Chemistry.
他受过更高的教育，拥有化学博士学位。