jump-start
verb [ T ] uk/ˈdʒʌmp.stɑːt/ us/ˈdʒʌmp.stɑːrt/
(CAR)
助推起动（汽车)；跳线跨接起动（汽车）
to start a car engine by pushing the car or by using jump leads
Compare: push-start
(SITUATION)
（采取行动）推动
to improve a situation by taking a particular action
Companies want lower interest rates to jump-start the nation's weak economy. 公司希望通过低利率来推动这个国家虚弱的经济。