jack up片语动词KK [dʒæk ʌp] /dʒæk ʌp/发音片语动词1提高、抬高、上调可拆开The airlines jacked up fares during the holiday season.航空公司在假期期间大幅提高票价。2用千斤顶顶起、顶高可拆开We jacked up the car to change the flat tire.我们用千斤顶把车顶起来换掉没气的轮胎。3弄坏、搞砸、弄伤口语、可拆开He jacked up his knee playing soccer last weekend.他上周末踢足球把膝盖弄伤了。形容词1加高的、抬高的He drives a jacked-up truck with enormous tires.他开一辆底盘加高、配著巨大轮胎的卡车。2亢奋的、激动的口语The kids were all jacked-up after three cans of soda.孩子们喝了三罐汽水后个个亢奋不已。用这个字练口说→