major的用法：
用作形容词(adj.)
用作定语
～+n.
There are major and minor principles in everything, and the minor principles are all subordinate to the major.
事情有大道理,有小道理,一切小道理都归大道理管着。
Seek common ground on major questions while reserving differences on minor ones.
求大同存小异。
The major part of the town was ruined by the earthquake.
这城镇的大部分已被这次地震造成一片废墟。
The output of 13 major products has increased by a wide margin.
十三项主要产品的产量都有大幅度增长。
用作名词(n.)
A major precedes a captain in rank.
少校军阶高于上尉。
The two majors were degraded for disobeying orders.
这两个少校因不服从命令而被降级。
The major has to answer for the discipline of his company.
少校应对其连队的纪律负责。
She was lifted from a captain to the rank of major.
她从上尉提升为少校。