2. We need quadruple the number of players we've got for a full orchestra. 我们要组成完整的管弦乐队需要有四倍于现有的演奏人员。
3. Residential houses are made of timber; most have a screen wall in front and some have a quadruple courtyard. 住宅的房子由木材制成,多数有一屏墙壁在前面,并且还有一些有着四倍大的庭院。
英英解释
n.
1. a set of four similar things considered as a unit
2. a quantity that is four times as great as another v.
1. increase fourfold
2. having four units or components
3. four times as great or many