相关单词近义词 ground floor (英)底层, first floor 底层、一楼..., grade 等级临近词ground net, ground, groundwater exploitation and utilization, Ground Surveillance Qualification Course, groundwater over-extraction depression, Ground Surveillance and Airspace Control, Ground Combat Readiness Evaluation System, ground surface settlement and deformation, Ground Region Integrity Monitoring System, Ground Support Equipment Requirement Data, Ground and Amphibious Military Operations, Ground-Based Air Defence Weapons System相似词ground beef, ground cover, ground crew, ground frost, ground plan, ground rent, ground rules, ground speed, 返回 ground level