| 释义 |
jack sth ↔ upphr v [t] 1. to lift something heavy using a jack ［用起重器］顶［托］起［重物］:◇dad jacked the car up so i could change the tyre. 爸爸用起重器托高汽车让我换轮胎。 2. to increase prices, sales etc by a large amount 大幅度提高［价格、销量等］:◇airlines always jack up fares at christmas. 航空公司总是在圣诞节大抬票价。 |