Her parents are both doctors of chemistry and she wanted to follow their example by going into medical research.

她的父母都是化学博士，她想以们为榜样从事医学研究。

Mr. Omura has two doctorate degrees -- one in pharmaceutical sciences, the other in chemistry.

大生则拥有医学和化学个博士学位。

He gained a doctorate in Chemical Engineering.

【gain】了化学工程博士学位。

But I am a Ph.D student in Biochemistry study at Harvard, I now know a better, less painful and less risky treatment existed. So, I can’t help but ask myself, why I did’t receive one at that time?

不过我现在是一个在哈佛学习生物化学的博士生，我现在知道了一个更好的、不那么痛、危险系数更小的治疗方法。所以，我忍不住问我自己，为什么那个时候我不能接受更好的治疗吗？