quadruplet

• 名词，指同一胎出生的四个孩子之一，也指四个同类事物组成的整体。

A noun referring to one of four children born at the same time from the same pregnancy, or a set of four similar things considered as a unit.

1. Group of fourB2formal

   A set or collection of four similar or related items considered together as a unit.

   四件一组

   • The artist created a quadruplet of paintings for the exhibition.
   • The scientist analyzed a quadruplet of related genes.
   • The musician composed a quadruplet of short pieces for the performance.

   同义词foursomequartettetrad

2. One of four siblingsB1formal

   One of four children born from the same pregnancy.

   四胞胎之一

   • She is one of the quadruplets born at the local hospital.
   • The quadruplets all have very different personalities.
   • Raising quadruplets requires a lot of planning and support.

   同义词quad

3. Number fourA2formal

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

   四

   • The number four is a quadruplet in some counting systems.
   • He wrote the numeral for the quadruplet on the board.
   • The quadruplet represents a perfect square in mathematics.