空: leave empty or blank; empty; ...环: ring; hoop端子空环: terminal clearance高空环境: high altitude environment; high-altitude environment高空环流: upper air circulation; upper-air circulation接地空环: ground plane clearance太空环境: space environment真空环境: vacuum environment电压层的空环: voltage plane clearance航空环境公司: aerovironment inc模拟高空环境: simulated altitude environment高空环境试验系统: high environment test system高真空环境试验室: high vacuum environmental test chamber天空环球网络集团: sky global networks电压层的空环电源层隔离: voltage plane clearance航空环境保护委员会: committee on aviation environmental protection空缓冲区: buffer empty空欢喜: rejoice too soon; be or feel let down 他们空欢喜一场。 they have rejoiced too soon空换位: void transposition空怀期: open day空幻: visionary; illusory; illusive; fanciful; imaginary 空幻境界 a visionary state of things空怀母羊: barren ewe空幻的: dreamy空怀母牛: open cow空幻境界: a visionary state of things空怀的: barren