Major means: (1) specializing in a certain study or occupation. (2) professional knowledge. (3) Academic categories classified by institutions of higher learning or secondary specialized schools. (4) each business part of the industrial sector. (5) refers to the scope of action of a substance or operation.

Extended data:

Professional interpretation:;

(1) the discipline category of a department in an institution of higher learning or a secondary specialized school;

(2) each business department of the production department;

(3) Professionals with knowledge and accomplishment; A professional painter [actor, etc]. ], a professional player; Expert;

Several common professional English names:

Mathematics: Mathematics or Mathematics; ;

Physics: physics;

Chemistry: chemistry;

Biology: an organism.

References:

Baidu encyclopedia-major