“攻读博士”怎么翻译？

read for
v.
攻读

read for one's doctor's degree

pursue a PhD，或口语点的，get a PhD

例：
我正在攻读经济博士学位。
I am currently pursuing a PhD in economics. (比较正式的说法，自介上一般就这么写。)
我想毕业后再拿个化学博士。(也就是再攻读化学博士)：
I want to get a PhD in chemistry after graduation.

to have one's doctorate course

to read for a doctor

persue a doctoral degree

Studies for doctorate