groundn.地面;地方;根据;主题;立场;水平;背景v.使停飞;困在家中;放在地上;使 ... 搁浅;打基础动词grind的过去式和过去分词形式
ground peg桩子
ground lug抓地爪
ground tap磨牙丝锥
ground rod接地棒
ground outn.击出内场地滚球后在一垒被杀出局
ground boy拣球员
groundbaitn.钓鱼时扔入和或湖中;引诱鱼的鱼饵
groundrentn.地租
groundwiren.地线
ground leg支撑腿