They are physical anthropology and cultural anthropology.

分别是生物人学和文化人学。

Physical anthropology is concerned with the development of man as a mammal.

生物人学关注的是人作为哺乳动物的发展。

Five years later he would finish his PhD in physical anthropology.

五年后，他完成了体质人学博士学位。

Physical anthropology, or biological anthropology as it is also called, concerns the study of human biological or physical characteristics and how they evolved.

自然人学，或称为生物人学，正如其名，是讨论人的生物学和自然学特点，以及这些特点是如何演化的。

In order to study particular cultures as completely as possible, he became skilled in linguistics, the study of languages, and in physical anthropology, the study of human biology and anatomy.

为了尽可能全面地研究特定文化，他精通语言学、语言研究以及体质人学、人生物学和解剖学研究。