She is pursuing a doctor's degree in chemistry.

她正在攻读化学的博士学位。

He obtained his doctor's degree at the age of 30.

他在30岁时获得了博士学位。

Having a doctor's degree can increase job opportunities.

拥有博士学位可以增加就业机会。

Her doctor's degree research involves environmental science.

她的博士学位研究涉及环境科学。

He decided to further his studies by pursuing a doctor's degree.

他决定继续深造，攻读博士学位。

A doctor's degree in education.

教育学专业授予的博士学位。

A doctor's degree in dental medicine.

牙医学专业授予的博士学位。

I decide to work hard and get doctor's degree.

我决定努力学习获得博士学位。

Velvet may only be used for a doctor's degree.

丝绒一般只用于博士学位。

The degrees are divided into the bachelor's degree, the master's degree and the doctor's degree.

学位分为学士、硕士和博士。