n. a commissioned military officer in the United States Army or Air Force or Marines; below lieutenant colonel and above captain
n. British statesman who was prime minister from 1990 until 1997 (born in 1943)
n. a university student who is studying a particular field as the principal subject
n. the principal field of study of a student at a university
n. 主修课, 成年人, 陆军少校
a. 主要的, 较多的, 大部分的, 成年的, 严重的
vi. 主修
[计] 主要, 主要刻度
1. She decided to major in biology at university.
她决定在大学主修生物学。
2. The major problem we face is a lack of funding.
我们面临的主要问题是缺乏资金。
3. He played a major role in the success of the project.
他在项目成功中发挥了重要作用。