major

• 形容某事物非常重要、规模大或严重，影响深远。

Describes something that is very important, large, or serious in scale or effect.

1. Important or significantA2formal

   Very important, large, or serious in effect or scope.

   重要的

   • This is a major decision for the company.
   • The storm caused major damage to the city.
   • She played a major role in the project's success.

   同义词chiefconsiderablecrucialimportantkeynotablenoteworthyprimaryprincipalprominentserioussignificantsizablesubstantialweighty

   反义词insignificantminornegligibleslighttrivialunimportant

2. Large in size or scaleB1formal

   Considerable in size, extent, or degree.

   重大的

   • There has been a major increase in sales this quarter.
   • The highway underwent a major renovation.
   • He suffered a major heart attack.

   同义词bigconsiderableextensivegreatlargelarge-scalesignificantsizablesizeablesubstantial

   反义词insignificantminorslightsmall

3. Primary or mainB1formal

   Being the most important or main element.

   主要的

   • The major reason for the delay was the weather.
   • Her major concern is the safety of the children.
   • The major issue is funding.

   同义词centralchiefforemostkeyleadingmainpredominantprimaryprimeprincipal

   反义词lesserminorsecondarysubordinate

• 名词，指军衔中高于上尉、低于中校的军衔（少校），或大学生选择的主修专业或主修领域。

A noun referring to a military rank above captain and below lieutenant colonel, or a principal field of study chosen by a university student.

1. Military rankB1formal

   An officer rank in the army, air force, or marines, above captain and below lieutenant colonel.

   少校

   • The major gave orders to the troops.
   • He was promoted to major after ten years of service.
   • Major Smith led the battalion during the exercise.

2. Academic field of studyA2formalamerican

   The main subject or field of study that a university student specializes in.

   专业

   • She chose biology as her major.
   • His major is computer science.
   • What is your major in college?

   同义词concentrationcourse of studydisciplinefieldspecializationsubject

3. Important person or thingB2informal

   A person or thing that is significant or prominent in a particular context.

   重要人物

   • He is a major in the music industry.
   • This event is a major in the city's calendar.
   • She is considered a major in the field of neuroscience.

   同义词bigwigcelebritydignitarynotablepersonagestar

• 动词，指在大学或学院中主修某一专业或领域，即以某学科作为主要学习方向。

A verb used to indicate specializing in a particular subject or field of study, typically at a college or university.

1. Specialize in a subjectB1formalamerican

   To study a particular subject as one's main field of study at a college or university.

   主修

   • She majored in biology at Harvard University.
   • He decided to major in computer science after his first year.
   • Many students major in business administration.

   同义词concentratefocusspecializestudy