groundnetn.拖网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 Support Agency地面支援局grounds of opposition被告抗辩理由Ground Station Module地面站舱Ground Observer Corps地面观测部队ground contact length接地长度ground-based beacon地面信标Ground Order of Barde地面部队战斗序列ground fault detector接地故障探测器grounds for complaint申诉的理由Ground State Energies基态能量