ground serviceɡraundˈsɜːvɪs短语¹⁴⁴⁹⁷²⁺² 基本例句 地勤 This has been done to allow the ground service to fight in Iraq and Afghanistan even as it remakes itself into a lighter, more mobile force at home. 这样做就是要允许陆军在伊拉克和阿富汗作战的同时还能够在家里把自己重组成一支更轻型，更具有机动性的部队。 jpkc2010.nudt.edu.cn