Word: 高空 (gāokōng) 高空 dictionary entry gāokōng high altitude Full dictionary entry for 高空 Example sentences using 高空 2 sentences, showing page 1 of 1. 飞机在三千米的高空飞行。 Fēijī zài sān qiānmǐ de gāokōng fēixíng. The plane flew at an altitude of 3,000 meters. 飞机正在高空平稳飞行。 Fēijī zhèngzài gāokōng píngwěn fēixíng. The plane is flying smoothly at high altitude.