| 释义 |
〔overdrive〕A gearing mechanism of a motor vehicle engine that reduces the power output required to maintain driving speed in a specific range by lowering the gear ratio.（汽车的）超速档：机动车辆的一种齿轮装置，通过降低齿轮比率来减少为将车速保持在一定范围内而需要的输出力〔devalue〕To lower the exchange value of a currency by lowering its gold equivalency.（货币）贬值：通过降低货币与黄金的兑换率来降低其交换价值〔devalue〕To lower the exchange value of (a currency) by lowering its gold equivalency.通过降低（某种货币）与黄金的比率来降低其交换价值 |