triad

• 指由三个相关联的人、事物或元素组成的整体或组合，也指音乐中的三和弦。

A noun referring to a group or set of three people, things, or elements considered as a unit, or a three-note chord in music.

1. Number threeB1formal

   The cardinal number that is the sum of one and one and one.

   三

   • The triad of numbers 1, 2, and 3 is often used in basic counting.
   • In many cultures, the triad is considered a sacred number.
   • The concept of a triad appears in various mathematical contexts.

   同义词ternionthreetrinitytriotriplet

2. Group of threeB2formal

   A set of three similar things considered as a unit.

   三元组

   • The three primary colors form a triad in color theory.
   • The team was organized into a triad of specialists.
   • A triad of mountains dominated the landscape.

   同义词threesometrinitytriotripletriplettriumvirate

3. Group of three peopleB2formal

   Three people considered as a unit, often in a social or professional context.

   三人组

   • The committee was a triad of experts from different fields.
   • They formed a triad to lead the project.
   • The triad of friends always worked together on assignments.

   同义词threesometriotriumviratetroika

4. Musical chordB2formalart

   A three-note major or minor chord; a note and its third and fifth tones.

   三和弦

   • The pianist played a beautiful triad in the key of C major.
   • A major triad consists of a root, a major third, and a perfect fifth.
   • The song's harmony is built on simple triads.

   同义词common chord