quadruple

• 由四部分组成或包含四个元素的；数量为四倍的，即比原来多四倍。

Consisting of four parts or elements; four times as great or as many.

1. Having four partsB2formal

   Consisting of four parts, elements, or components.

   四重的

   • The company implemented a quadruple strategy for growth.
   • The building has a quadruple entrance with four doors.
   • The agreement was a quadruple partnership between four nations.

   同义词fourfoldquadruplexquadruplicate

2. Four times as muchB2formal

   Being four times as great in size, amount, or number.

   四倍的

   • The company reported a quadruple increase in profits this year.
   • The population of the city has seen a quadruple growth over the last decade.
   • The recipe calls for a quadruple amount of sugar compared to the original.

   同义词fourfold

• 名词，指由四个相似事物组成的整体，或指某物的四倍数量。

A noun referring to a set of four similar things considered as a unit, or a quantity that is four times as great as another.

1. Set of fourB2formal

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

   四元组

   • The four musicians formed a quadruple for the chamber piece.
   • The company released a quadruple of new products this season.
   • The quadruple of novels is often sold as a box set.

   同义词foursomequadrupletquartetquaterniontetrad

2. Fourfold amountB2formal

   A quantity or number that is four times as large as another specified quantity.

   四倍量

   • The new investment yielded a quadruple of the original sum.
   • The population of the town has increased to a quadruple of its size in 1990.
   • The recipe calls for a quadruple of the standard ingredients.

• 动词，表示使某物的数量或数值增加到原来的四倍，即乘以四；也可表示某物自身增长为原来的四倍。

A verb used to indicate the act of increasing or multiplying something by four times its original amount or number.

1. Increase fourfoldB2formal

   To become four times as large or as numerous; to multiply by four.

   四倍增长

   • The company's profits quadrupled in just two years.
   • The population of the town quadrupled after the new factory opened.
   • We need to quadruple our efforts to meet the deadline.

   同义词quadruplicate