quadrupling

柯林斯词典

1. V-T/V-I If someone quadruples an amount or if it quadruples, it becomes four times bigger. 使成4倍; 成为4倍
China seeks to quadruple its income in twenty years. 中国力求在20年内将其收入翻两番。
2. PREDET If one amount is quadruple another amount, it is four times bigger. 4倍的[PREDET det n]
Fifty-nine percent of its residents have attended graduate school – quadruple the national average. 该地区59％的居民读过研究生–是全国平均水平的4倍。
3. ADJ You use quadruple to indicate that something has four parts or happens four times. 由4部分组成的; 发生4次的[ADJ n]
The quadruple murder has replaced property prices as the sole topic of interest. 这4起连环谋杀案已经取代房价成为了人们惟一感兴趣的话题。