linebackerKK [ˋlaɪnˏbækɚ] /ˈlaɪnˌbækɚ/发音名词1线卫美式足球The linebacker tackled the running back just behind the line.那名线卫在防线后方就把跑锋扑倒了。2线卫位置美式足球He was moved from defensive end to linebacker last season.他上个球季从防守边锋被调去打线卫。用这个字练口说→