quadruple block四轮滑车
quadruple riveting四行铆接;四行铆
quadruple completion四层同时完成
quadruple recorder四用自记仪;四用记录器
quadruple scull四人双浆赛艇;四人双桨赛艇
quadruple register四用记录器
quadruple type四元组类型;四倍精准度型式;翻译
optimized quadruple[计] 优化四元组;优化四元组
Quadruple track复复线
V-T/V-I（及物动词/不及物动词） 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。
PREDET（前置限定词） 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。
ADJ（形容词） 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。