doubling

• 指使某物数量增加一倍的动作或过程；也指在纸牌等游戏中把赌注加倍的行为。

A noun referring to the act or process of increasing something by a factor of two, or the act of raising the stakes in a card game by a factor of two.

1. Increase by a factor of twoB2formal

   The act or process of becoming twice as much or as many.

   加倍

   • The doubling of the population has put a strain on resources.
   • We are seeing a doubling in sales this quarter.
   • The company announced a doubling of its production capacity.

   同义词duplication

2. Raising the stakes in a card gameB2informalsport

   The act of increasing the bet or stake in a card game, typically by a factor of two.

   加倍下注

   • His doubling of the bet surprised everyone at the poker table.
   • She considered doubling the stakes but decided against it.
   • The player's aggressive doubling strategy paid off.

• 表示使某物增加一倍或变成两倍的动词，也可表示把东西对折或复制一份。

A verb used to indicate the act of making something twice as much or as many, or of becoming twice as much or as many.

1. Increase twofoldA2formal

   To make or become twice as much or as many.

   加倍

   • The company doubled its profits this year.
   • She doubled the recipe to feed more guests.
   • The population of the town has doubled in the last decade.

   同义词duplicateredouble

   反义词halve

2. Fold overB1formal

   To bend or fold something so that one part lies on top of another.

   对折

   • He doubled the blanket and placed it on the chair.
   • She doubled the paper to fit it into the envelope.
   • Double the fabric before cutting it.

   同义词bendcreasefoldpleat

3. Serve in two rolesB2formal

   To have or perform two different functions or roles.

   身兼两职

   • The sofa doubles as a bed for guests.
   • She doubles as both the director and the lead actress.
   • This room doubles as a study and a guest room.

   同义词act as

短语动词变体double overdouble up