博士生

Wide; broad; extensive; learned; knowledgeable; to win; to gain; to play; to gamble; doctoral degree; blog.

Bachelor; scholar or gentleman (historical); soldier or specialist worker; honorific term for men; a member of the lowest rank of nobility (historical).

To grow, give birth, produce, or be born; to live or be alive; life; raw or uncooked; to arise or occur; student; a person's livelihood.