keynote

• 指演讲、演示或文学作品中最重要的中心思想、主题或原则；在音乐中也可指自然音阶的第一个音。

A noun referring to the central or most important idea, theme, or principle in a speech, presentation, or literary work; also used in music for the first note of a diatonic scale.

1. Principal themeB2formal

   The main or central idea in a speech, presentation, or literary work.

   主题

   • The keynote of her address was the importance of innovation.
   • His speech had a strong keynote about environmental responsibility.
   • The conference's keynote focused on future technologies.

   同义词coreessencegistpithpointsubstancethemethrust

2. Fundamental ideaB2formal

   A core or foundational concept that underlies a system, theory, or event.

   主旨

   • The keynote of the new policy is sustainability.
   • Trust is the keynote of any successful relationship.
   • The keynote of the project was collaboration across departments.

   同义词basiscorecruxessencefoundationgistprincipletheme

   反义词afterthoughtasideperiphery

3. Musical noteC1formal

   The first note of a diatonic scale, which establishes the key of a musical piece.

   主音

   • The piece begins on the keynote of C major.
   • The keynote sets the tonal center for the entire composition.
   • In a minor scale, the keynote is the first note of the scale.

   同义词tonic

• 动词，指在会议、活动或聚会上发表主旨演讲或最重要的讲话。

A verb meaning to deliver the main or most important speech at a conference, event, or meeting.

1. Set the keynote ofB2formal

   To establish the central theme or tone of an event, discussion, or presentation.

   定基调

   • The CEO's speech keynoted the company's new direction.
   • Her opening remarks keynoted the entire conference.
   • The artist's work keynotes the exhibition's focus on nature.

   同义词characterizedefineestablishframe

2. Give the keynote addressB2formal

   To deliver the main or most important speech at a conference, convention, or other event.

   发表主题演讲

   • The professor was invited to keynote the annual medical symposium.
   • She keynoted the technology summit with a talk on AI ethics.
   • He will keynote the leadership forum next month.

   同义词addressspeak