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; 成爲4倍
China seeks to quadruple its income in twenty years. 中國力求在20年內將其收入繙兩番。
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. 該地區59％的居民讀過研究生–是全國平均水平的4倍。
3. ADJ You use quadruple to indicate that something has four parts or happens four times. 由4部分組成的; 發生4次的[ADJ n]
The quadruple murder has replaced property prices as the sole topic of interest. 這4起連環謀殺案已經取代房價成爲了人們惟一感興趣的話題。