每日一词【1159】jack up：提高

 今天我们要学的词是jack¹ up。 To jack up, 意思是提高。 "Insurance company Blue Shield of California plans to jack up its health insurance rates a whopping 59% for individual policyholders this year," 加州蓝盾保险公司今年打算把个人投保人的保费大幅度提高59%。 "U.S. Mortgage giant Fannie Mae is jacking up mortgage fees even for home buyers with a high credit score and a huge down payment," 美国房贷大公司房利美提高贷款收费，即使是那些拥有良好信用记录和大笔首付款的购买者也在劫难逃。好的，今天我们学习的词是jack up... 

1 jack   

n.插座，千斤顶，男人；v.抬起，提醒，扛举；n.（Jake）杰克

参考例句：

• I am looking for the headphone jack.我正在找寻头戴式耳机插孔。
• He lifted the car with a jack to change the flat tyre.他用千斤顶把车顶起来换下瘪轮胎。