groundling匍匐植物, 没鉴赏力的低俗观众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 source heat pump system地源热泵系统ground means of transportation地面运输设备Ground Communications Facility地面通信设施ground-based observing sites地面观测站ground wheel driven hay loader地轮驱动的干草装载机Ground Launched Cruise Missile地面发射的巡航导弹grounded-collector amplifier集电极接地晶体管放大器grounded plastic drainage pipe埋地塑料污水管groundsource heat pump systems地热热泵系统Ground Pressure and Its Control矿山压力及其控制